CN216640109U - Railway fastener system maintenance operation device and automatic grabbing mechanism for height base plate - Google Patents

Abstract

The utility model discloses a maintenance operation device of a railway fastener system and an automatic grabbing mechanism of a height base plate, the mechanism comprises a mounting substrate, a horizontal sliding seat, a clamping jaw swing seat, a horizontal actuator, a swing actuator, a lower clamping jaw, an upper clamping jaw, a clamping actuator, a descending height detection sensor and a search sensor, wherein the mounting substrate is connected to an external lifting part, the horizontal sliding seat is supported on the mounting substrate and driven by the horizontal actuator, the clamping jaw swing seat is arranged below the horizontal sliding seat and driven by the swing actuator to simulate the action of manually taking away a workpiece, the lower clamping jaw is fixedly connected to the clamping jaw swing seat, the upper clamping jaw is driven by the clamping actuator to move up and down, the search sensor and the upper clamping jaw synchronously move for searching the lower surface of a steel rail, and the descending height detection sensor is used for detecting the descending height of the whole mechanism, so as to realize the accurate positioning of the height direction of the mechanism. The utility model effectively avoids the defects in the manual maintenance process of the fastener system.

Description

Railway fastener system maintenance operation device and automatic grabbing mechanism for height base plate

Technical Field

The utility model relates to the field of maintenance of railway fastener systems, in particular to a maintenance operation device of a railway fastener system and an automatic grabbing mechanism of a railway steel rail height base plate.

Background

The railway fastener system is used for fixing the steel rail on the sleeper, keeping the track gauge and preventing the steel rail from moving longitudinally and transversely relative to the sleeper, thereby ensuring the distance consistency and the height consistency between the two steel rails and providing a foundation for the high-speed running of a train on the steel rail.

As shown in fig. 1 and 2, the conventional fastening system is mainly composed of an elastic pad 30 ', a height pad 40', a gauge block 50 ', a tie bolt 60', an elastic strip 70 ', an insulating washer 80', etc. for fixing the rail 20 'to the tie 10'. Since the train runs on the rail 20' for a long time at a high frequency and at a high speed, the rail and the fastener system are greatly vibrated and worn, and the parallelism and height of the rail are changed, the rail fastener system needs to be periodically detected and replaced and maintained.

The method and process for maintenance replacement of a railway fastener system is generally as follows: the method comprises the following procedures of rail surface measurement, manual marking, manual material distribution, fastener disassembly, bolt oiling, manual material changing, fastener fastening, rail surface retesting and the like, wherein basically all the links are manually operated.

The replacement of the height base plate (also called as a height adjusting plate) is mainly realized in a way of manual operation, firstly, the sleeper bolt is loosened, the elastic strip and the gauge apron are taken away, the steel rail is jacked up by a certain height by using a jack so that a certain operation space is reserved below the steel rail, the height adjusting plate is manually taken out, and then a new height adjusting plate is installed.

The current method for manually replacing the height adjusting plate has the following defects: firstly, the manual operation efficiency is low, the height adjusting plate which is mistakenly changed is easy to appear, and the one-time maintenance qualified rate is low; the operating height is low, seriously violating the ergonomics. Secondly, the limited lifting height of the steel rail has small manual operation space and large operation difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic grabbing mechanism for a railway steel rail height base plate, which solves the problem of inconvenience in manual plate replacement operation.

The utility model also aims to provide a maintenance operation device for the railway fastener system, so as to avoid the problem of inconvenient manual plate replacement operation.

To achieve the above purpose, the present invention provides an automatic grabbing mechanism for a railway steel rail height base plate, which comprises a mounting substrate, a horizontal sliding seat, a clamping jaw swing seat, a horizontal actuator, a swing actuator, a lower clamping jaw, an upper clamping jaw, a clamping actuator, a descending height detection sensor and a search sensor, wherein the mounting substrate is connected to an external lifting component, the horizontal sliding seat is supported on the mounting substrate and driven by the horizontal actuator, the clamping jaw swing seat is arranged below the horizontal sliding seat and driven by the swing actuator to simulate the action of manually taking away a workpiece, the lower clamping jaw is fixedly connected to the clamping jaw swing seat, the upper clamping jaw is driven by the clamping actuator to move up and down, the search sensor and the upper clamping jaw move synchronously to search for the lower surface of a steel rail, the descending height detection sensor is used for detecting the descending height of the whole mechanism, so as to realize the accurate positioning of the height direction of the mechanism.

Further, the horizontal sliding seat is arranged below the mounting substrate, a pair of guide rails is arranged on the horizontal sliding seat, and a plurality of sliding blocks matched with the pair of guide rails are arranged on the lower surface of the mounting substrate in a hanging mode.

Furthermore, a first connecting arm and a second connecting arm which extend downwards are arranged on the horizontal sliding seat, the second connecting arm is arranged at the tail of the horizontal sliding seat, a first hinge lug is arranged in the middle of the back of the clamping jaw swing seat, a second hinge lug is arranged on the lower portion of the back of the clamping jaw swing seat, the first hinge lug is hinged to the first connecting arm, one end of the swing actuator is hinged to the second connecting arm, and the other end of the swing actuator is hinged to the second hinge lug.

Furthermore, the workpiece clamping surfaces of the upper clamping jaw and the lower clamping jaw are sawtooth surfaces.

Furthermore, the two search sensors are distributed on two sides of the sleeper and fixed with the upper clamping jaw through the U-shaped guard plate, and the two search sensors move synchronously.

Further, the falling height detection sensor is a photoelectric sensor or a mechanical trigger type sensing mechanism.

According to another aspect of the present invention, there is provided a railway fastener system maintenance work device comprising a suspension, a slide, a work turntable provided with a plurality of coupling seats at its periphery, a servo lifting mechanism, and a servo rotating mechanism, wherein an automatic rail tie plate gripping mechanism according to the above-described railway rail height is coupled to one of the coupling seats.

Further, the servo lifting mechanism is replaced by a multi-stroke cylinder.

Further, the suspension is mounted on a rail engineering vehicle, and the rail engineering vehicle is also used for automatically lifting the steel rail.

Aiming at the problem that the manual replacement operation of the height adjusting plate under the current steel rail is inconvenient, the utility model provides a set of mechanism for automatically grabbing the steel rail height adjusting plate, the mechanism simulates the action track of taking by hand, the height base plate is taken out, the manual grabbing action is replaced, a series of actions which violate human engineering are avoided, the manpower is reduced, the efficiency of replacing the height base plate is greatly improved, and the error rate in the manual plate replacing process is reduced.

The mechanism is actually installed on a rail engineering truck, the engineering truck has the function of automatically lifting a rail, the function of a jack is replaced, the mechanism and an automatic replacing mechanism of other fastener systems can form a whole set of automatic maintenance system, the automation degree of railway operation is improved, and the factors of danger, low efficiency and the like of manual operation are avoided.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of a prior art railway fastener system;

FIG. 2 is an exploded schematic view of the structure of a prior art railway fastener system;

FIG. 3 is a schematic perspective view of a railway fastener system maintenance unit in accordance with the present invention;

FIG. 4 is a schematic illustration of a railway fastener system maintenance unit according to the present invention for automatic tie bolt removal operations;

FIG. 5 is a schematic illustration of a railway fastener system maintenance unit for gage apron grabbing and replacement operations according to the present invention;

FIG. 6 is a schematic view of a railway fastener system maintenance unit according to the present invention for a height pad pick-up replacement operation;

FIG. 7 is a schematic perspective view of a bolt release mechanism of a railway fastener system maintenance unit in accordance with the present invention;

FIG. 8 is a schematic perspective view of a gage plate capture mechanism of a railway fastener system maintenance unit in accordance with the present invention;

FIG. 9 is a schematic perspective view of the height plate grasping mechanism of the railway fastener system maintenance unit according to the present invention;

FIG. 10 is an elevation view of a height dunnage grasping mechanism in accordance with the present invention;

FIG. 11 is a right side view of the height pad grasping mechanism according to the present invention;

FIG. 12 is a schematic view showing the operation state of the height pad grasping mechanism according to the present invention;

FIG. 13 is a second schematic view of the action of the height pad grasping mechanism according to the present invention;

FIG. 14 is a schematic view of the action state three of the height pad grasping mechanism according to the present invention; and

fig. 15 is a four-schematic view of the action state of the height pad grasping mechanism according to the present invention.

Detailed Description

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 3, the maintenance device for railway fastener system of the present invention mainly comprises a suspension frame 10, a slide carriage 20, a working turntable 30, a servo lifting mechanism 40, a servo rotating mechanism 50, a bolt disassembling mechanism 60, a gauge apron grabbing mechanism 70, and a height pad grabbing mechanism 80.

The operation device is actually installed on a rail engineering vehicle, a plurality of sets of the maintenance operation devices are arranged on one section of operation carriage, and each set of the maintenance operation device is responsible for replacing the fasteners of one sleeper once. The rail engineering vehicle has the function of automatically lifting the rail, and replaces the function of a jack.

The suspension 10 is in a door shape as a whole, the sliding seat 20 is arranged in the door-shaped suspension 10, two sides of the sliding seat 20 are respectively matched with the suspension 10 through sliding rail and sliding block kinematic pairs, and the servo lifting mechanism 40 is arranged on the suspension 10 and used for driving the sliding seat 20 to move in multiple positions along the vertical direction.

The operation rotary disc 30 is rotatably arranged on the sliding seat 20 in a vertical plane, the operation rotary disc 30 comprises a rotary disc body and three connecting seats 31, 32 and 33 which are arranged around the rotary disc body at equal intervals in the circumferential direction of 120 degrees, and the servo rotating mechanism is arranged on the sliding seat and used for driving the operation rotary disc to rotate.

The three connecting seats are respectively provided with a bolt disassembling mechanism, a height base plate grabbing mechanism and a gauge baffle grabbing mechanism.

The bolt disassembling mechanism shown in fig. 4 is used for disassembling and temporarily storing two sleeper bolts, elastic strips and insulating blocks. The gauge apron grabbing mechanism shown in fig. 5 is used for grabbing gauge apron boards on two sides of a steel rail, throwing the grabbed gauge apron boards to a waste recycling device under the combined actions of lifting and rotating of the operation turntable, and grabbing new gauge apron boards. The height plate grabbing mechanism shown in fig. 6 is used for clamping and extracting the height plate below the steel rail.

As shown in fig. 7, the bolt disassembling mechanism includes a spring base 61, two sets of sleeper bolt automatic screwing devices 62, and two sets of combined clamping devices 63.

The automatic sleeper bolt screwing device 62 for screwing/unscrewing the bolt is arranged separately from the spring base 61, and includes a screwing shaft 621 capable of elastically retracting during screwing the bolt and a driving device 622 for driving the screwing shaft, such as a dedicated screwing motor.

A combined clamping device 63 is provided on the spring base 61 for clamping both the spring bar and the insulating block. The combination clamp includes a first clamp block assembly, a second clamp block assembly on either side of the spring bar, and a transverse clamp cylinder 635.

The clamp block assembly includes an L-shaped support block 631, a clamp cylinder 632, an upper clamp block 633 driven by the clamp cylinder 632, and an insulator block shoe 634 fixedly attached to the L-shaped support block 631.

The two clamping block assemblies clamp the spring bar and the insulating blocks on both sides of the spring bar under the action of the transverse clamping cylinder 635. The specific clamping action is as follows: the slide descends, insulating block shovel seat 634 supports and presses on the rail outside the insulating block, revolve and twist the axle 621 and overlap and insert the head at the bolt, revolve and twist axle 621 and rotate, unscrew the bolt, bullet strip tension reduces at this in-process, under the bullet strip reserves certain tensile condition, two clamp splice subassemblies do clamping movement under the effect of horizontal die clamping cylinder, insulating block shovel seat 634 is played the insulating block, it descends under the cylinder effect to go up the clamp splice, the clamp splice presss from both sides tight bullet strip from both sides, simultaneously the bullet strip still has tension to the insulating block, so the insulating block avoids dropping in insulating block shovel seat.

And continuously unscrewing the bolt, and after the bolt is completely screwed and withdrawn, the bolt is tightly propped against the elastic strip under the elastic force restoring action of the screwing shaft. So this bolt disassembly body can guarantee that bolt, bullet strip, insulating block disassemble the relative position after unchangeable to can buffer memory in the mechanism, guarantee other operation processes and accomplish the back and reset again.

The sleeper bolt, the elastic strip and the insulating cushion block do not need to be replaced in the automatic maintenance operation process, and the sleeper bolt, the elastic strip and the insulating cushion block are disassembled to be restored to be installed after other operations are completed.

After disassembling the sleeper bolt elastic strip and the like, the servo lifting mechanism lifts the operation turntable to the highest position. The operation turntable rotates 120 degrees anticlockwise, the gauge baffle grabbing mechanism is right opposite to the sleeper, and the sliding seat descends.

As shown in fig. 8, the gage plate grabbing mechanism 70 includes a height compensation seat 73, and two gage plate grabbing actuators 71 and 72, where the gage plate grabbing actuators are pneumatic gripping jaws, or electric gripping jaws may be used instead.

A height compensation base 73 is mounted to the connecting base 32 of the work turret 30, and two gage fence capture actuators 71 and 72 are mounted at the bottom end of the height compensation base 73.

The two gauge apron grabbing actuators 71 and 72 grab the gauge apron on two sides of the steel rail, then the grabbing mechanism is lifted to a high position by the servo lifting mechanism, the operation turntable rotates 120 degrees anticlockwise, at the moment, the two gauge apron grabbing actuators are loosened, the old gauge apron is thrown to the waste recovery device, a new gauge apron is grabbed, and the new gauge apron can be fed by a manipulator or a worker to be grabbed by the gauge apron grabbing mechanism.

Referring to fig. 9 to 11 in combination, the height pad grasping mechanism 80 includes a mounting base plate 81, a horizontal sliding base 82, a jaw swing base 83, a horizontal actuator 84, a swing actuator 85, a lower jaw 86, an upper jaw 87, a clamping actuator 88, a descending height detection sensor 89, and a search sensor 91.

The mounting base plate 81 supports the entire mechanism, providing a foundation for the mounting of other parts, the top end of which is fixedly connected to a connecting seat of the working turntable.

The horizontal sliding base 82 is supported by the mounting board 81 and can slide horizontally relative to the mounting board 81. The horizontal actuator 84 drives the horizontal sliding seat 82 to move horizontally, and provides horizontal driving force in the process of grabbing the high-altitude base plate, so that the clamping jaws move horizontally to clamp a workpiece within a certain range.

A first connecting arm 821 and a second connecting arm 822 which extend downwards and vertically are fixedly connected to the horizontal sliding seat 82, and the second connecting arm 822 is arranged at the tail of the horizontal sliding seat 82.

The middle of the back of the clamping jaw swing seat 83 is provided with a first hinge lug 831 which is directly hinged with the first connecting arm 821, the lower part of the back of the clamping jaw swing seat 83 is provided with a second hinge lug 832, one end of the swing actuator 85 is pivoted with the second connecting arm 822, and the other end of the swing actuator is hinged with the second hinge lug 832.

The swing actuator 85 drives the clamping jaw swing seat to swing during the telescopic action, and the action of manually taking away a workpiece is simulated.

The lower jaw 86 is fixed and immovable, and the jaws are opened and closed by moving the upper jaw 87. The upper clamping jaw 87 is arranged on a sliding guide rail which is fixed on the clamping jaw swing seat 83, and the clamping actuator 88 drives the upper clamping jaw 87 to move up and down, so that the upper clamping jaw and the lower clamping jaw can open and close, clamp and release a workpiece together.

The descending height detection sensor 89 is fixedly arranged at the left end of the mounting substrate 81, detects the descending height of the whole mechanism, and realizes accurate positioning in the height direction of the mechanism.

The search sensors 91 are distributed on two sides of the sleeper and used for searching the lower surface of the steel rail. Search sensor 91 is together fixed with last clamping jaw 87 through U type backplate 92, can synchronous motion to guarantee that last clamping jaw moves to suitable position, avoid pressing from both sides the in-process clamping jaw and collide the rail.

With combined reference to fig. 12-15, the height pad automatic gripping action is as follows:

1. the height cushion block grabbing mechanism 80 is driven by the servo lifting mechanism to descend to a proper position, the descending height detection sensor 89 detects the descending height of the mechanism in real time, the clamping driver starts to act after the mechanism is in place, the search sensor 91 is driven to search the lower surface of the steel rail up and down, and the steel rail is automatically lifted by the rail engineering truck at the moment.

2. After the searching action is completed, the horizontal actuator 84 starts to act to drive the horizontal sliding seat to feed to the left, so as to drive the clamping jaws to move synchronously, at the moment, the height base plate is positioned between the upper clamping jaw and the lower clamping jaw, and the clamping actuator 88 drives the upper clamping jaw to move downwards to clamp the workpiece.

3. The servo lifting mechanism drives the height cushion block grabbing mechanism to move upwards for a certain distance, so that the height adjusting plate is separated from the elastic cushion plate, the swinging actuator 85 acts to swing the clamping jaw swing seat 83, and the height cushion plate is rotated for a certain angle, so that the height cushion plate is taken out.

The high backing plate grabbing mechanism can be automatically butted with a waste recycling and new material feeding system comprising a manipulator, and replacement of a new high backing plate is achieved.

The height adjusting plate is replaced manually, the operation efficiency is low, the height adjusting plate which is mistakenly replaced is easy to appear, and the one-time maintenance qualified rate is low; the operating height is low, seriously against the ergonomics. According to the utility model, the height base plate grabbing mechanism is used for replacing manual grabbing actions, so that a series of actions against human-machine engineering are avoided, the manpower is reduced, the efficiency of replacing the height base plate is greatly improved, and the error rate in the manual plate replacing process is reduced.

After all the old materials are grabbed, the servo slewing mechanism gradually moves reversely, and the new height base plate, the new track pitch baffle and the bolt elastic strip insulating cushion block are reset respectively.

According to the servo rotating mechanism with the lifting function, maintenance procedures of the fastener system are integrated, automatic operation of bolt disassembly, gauge baffle replacement and height base plate replacement is achieved, automatic butt joint with waste recovery and new material input is achieved, and the defects in the manual maintenance process of the fastener system are effectively overcome.

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 (9)

1. An automatic grabbing mechanism for a railway steel rail height base plate is characterized by comprising a mounting base plate, a horizontal sliding seat, a clamping jaw swing seat, a horizontal actuator, a swing actuator, a lower clamping jaw, an upper clamping jaw, a clamping actuator, a descending height detection sensor and a search sensor,

the mounting base plate is connected to an external lifting part, the horizontal sliding seat is supported on the mounting base plate and driven by a horizontal actuator, the clamping jaw swing seat is arranged below the horizontal sliding seat and driven by a swing actuator so as to simulate the action of manually taking away a workpiece,

the lower clamping jaw is fixedly connected to the clamping jaw swing seat, the upper clamping jaw is driven by the clamping actuator to move up and down, the searching sensor and the upper clamping jaw move synchronously and are used for searching the lower surface of the steel rail,

and the descending height detection sensor is used for detecting the descending height of the whole mechanism so as to realize accurate positioning in the height direction of the mechanism.

2. The automatic capturing mechanism for railway rail height bearing plates according to claim 1, wherein the horizontal sliding seat is disposed under the mounting base plate, a pair of guide rails is disposed on the horizontal sliding seat, and a plurality of sliding blocks matched with the pair of guide rails are suspended from the lower surface of the mounting base plate.

3. The automatic rail height pad grasping mechanism according to claim 1,

the horizontal sliding seat is provided with a first connecting arm and a second connecting arm which extend downwards, the second connecting arm is arranged at the tail part of the horizontal sliding seat,

the middle of the back of the clamping jaw swing seat is provided with a first hinge lug and the lower part of the back of the clamping jaw swing seat is provided with a second hinge lug, the first hinge lug is directly hinged with the connecting arm, one end of the swing actuator is hinged with the second connecting arm, and the other end of the swing actuator is hinged with the second hinge lug.

4. The automatic rail height shim plate gripping mechanism of claim 1 wherein the workpiece clamping surfaces of the upper and lower jaws are serrated.

5. The automatic rail height tie plate grabbing mechanism according to claim 1, wherein the search sensors are two in number, are distributed on two sides of the sleeper and are fixed together with the upper clamping jaw through a U-shaped guard plate, and move synchronously.

6. The automatic rail height pad grasping mechanism according to claim 1, wherein the drop height detection sensor is a photoelectric sensor or a mechanical trigger type sensing mechanism.

7. A railway fastener system maintenance work device, comprising a suspension, a slide, a work turntable, a servo lift mechanism, a servo rotation mechanism, the periphery of the work turntable being provided with a plurality of connecting seats, wherein the railway rail height pad automatic gripping mechanism according to any one of claims 1 to 6 is connected to one of the connecting seats.

8. The railway fastener system maintenance work device of claim 7, wherein the servo lift mechanism is replaced with a multi-stroke cylinder.

9. The railway fastener system maintenance work device of claim 7, wherein the hanger bracket is mounted on a rail car, the rail car also being used to automatically lift the rail.

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