CN217149753U - Maintenance operation device and bolt disassembling mechanism for railway fastener system - Google Patents

Abstract

The utility model discloses a railway fastener system maintenance operation device and a bolt disassembling mechanism, the device comprises a suspension, a slide seat, an operation turntable, a servo lifting mechanism, a servo rotating mechanism, a bolt disassembling mechanism, a gauge baffle grabbing mechanism and a high backing plate grabbing mechanism, the slide seat is arranged on the suspension in a sliding way along the vertical direction and is driven by the servo lifting mechanism, the working turntable is rotatably arranged on the sliding base in a vertical plane and is driven by a servo rotating mechanism, a plurality of connecting seats are arranged on the periphery of the operation turntable, each mechanism can reach an operation position under the drive of the servo rotating mechanism and the servo lifting mechanism, the bolt disassembling mechanism is used for disassembling and temporarily storing two sleeper bolts, elastic strips and insulating blocks, the gauge apron grabbing mechanism is used for grabbing gauge aprons on two sides of the steel rail, and the height base plate grabbing mechanism is used for clamping and taking out a height base plate below the steel rail. The utility model discloses effectively avoid the drawback in the artifical maintenance process of fastener system.

Description

Maintenance operation device and bolt disassembling mechanism for railway fastener system

Technical Field

The utility model relates to a railway fastener system maintains the field, especially relates to a railway fastener system maintains operation device and bolt and disassembles mechanism.

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 the train on the steel rails.

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.

Currently, the methods and procedures for maintenance and replacement of railway fastener systems are generally: 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 retest and the like, and basically all the links are manually operated.

The manual maintenance and replacement method of the current railway fastener system has the following defects:

firstly, the manual operation efficiency is low, the sleeper which is mistakenly replaced and missed is easy to replace, the one-time maintenance qualification rate is low, repeated testing and correction are needed for many times, the replaced old material is easy to lose on the track, and huge potential safety hazards are generated to the train operation.

Secondly, maintenance work can only be carried out in the window period of the train, maintenance operation is basically carried out at night, and night operation is a great challenge to the safety of operators and the management of railway operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a railway fastener system maintains operation device to realize that the sleeper bolt is automatic to be disassembled, the bullet strip collets to keep in, the gauge apron is changed, high backing plate snatchs the change, the bolt bullet strip collets and resets, avoids the drawback of the artifical maintenance in-process of fastener system.

An object of the utility model is also to provide a mechanism is disassembled to bolt for operation is maintained to railway fastener system to realize that the sleeper bolt is automatic to be disassembled, bullet strip insulating block snatchs and keeps in.

To this end, the utility model provides a railway fastener system maintenance operation device, including suspension, slide, operation carousel, servo-lift mechanism, servo-rotating mechanism, bolt disassembling mechanism, gauge apron grabbing mechanism, high backing plate grabbing mechanism, the slide can be set up on the suspension and driven by servo-lift mechanism along the vertical direction with sliding, the operation carousel rotationally sets up on the slide and by servo-rotating mechanism in the vertical plane, the periphery of operation carousel is equipped with a plurality of connecting seats, bolt disassembling mechanism, high backing plate grabbing mechanism, gauge apron grabbing mechanism are connected to one the connecting seat respectively, and reach the operation position under servo-rotating mechanism and servo-lift mechanism's drive, bolt disassembling mechanism is used for the disassembling and temporary storage of two sleeper bolts, elastic strip, insulating block, the gauge apron grabbing mechanism is used for grabbing gauge aprons on two sides of the steel rail, and the height base plate grabbing mechanism is used for clamping and taking out a height base plate below the steel rail.

Furthermore, the maintenance operation device is installed on a rail engineering vehicle, a plurality of sets of the maintenance operation device are arranged on one section of operation carriage of the rail engineering vehicle, and the rail engineering vehicle is also used for automatically lifting the steel rail.

Furthermore, the whole suspension is in a door shape, the sliding seat is arranged in the door-shaped suspension, and two sides of the sliding seat are respectively matched with the suspension through sliding rail and sliding block kinematic pairs.

Further, above-mentioned operation carousel includes the carousel body and is 120 three connecting seats of circumference equidistance arrangement around the carousel body.

Further, the bolt disassembling mechanism comprises a spring base, two sets of sleeper bolt automatic screwing devices and two sets of combined clamping devices, the sleeper bolt automatic screwing devices are separated from the spring base and used for screwing/unscrewing bolts, and the combined clamping devices are arranged on the spring base and used for clamping the elastic strips and the insulating blocks together.

Further, the combined clamping device comprises a first clamping block assembly, a second clamping block assembly and a transverse clamping cylinder, wherein the first clamping block assembly, the second clamping block assembly and the transverse clamping cylinder are located on two sides of the elastic strip, the first clamping block assembly and the second clamping block assembly respectively comprise an L-shaped supporting block, a clamping cylinder, an upper clamping block driven by the clamping cylinder and an insulating block shovel seat fixedly connected to the L-shaped supporting block, and the transverse clamping cylinder is used for driving the first clamping block assembly and the second clamping block assembly to move in a centering mode before tension of the elastic strip disappears so as to clamp the elastic strip and the insulating block.

Further, the gauge apron grabbing mechanism comprises a height compensation seat and two gauge apron grabbing actuators, and the gauge apron grabbing actuators are pneumatic clamping jaws or electric clamping jaws.

Further, above-mentioned high backing plate snatchs mechanism includes mounting substrate, horizontal seat, clamping jaw pendulum seat, horizontal executor, swing executor, lower clamping jaw, goes up the clamping jaw, presss from both sides tight executor, descends height detection sensor and search sensor, the horizontal seat that slides supports on mounting substrate and is driven by horizontal executor, the clamping jaw pendulum seat sets up in the below of horizontal seat that slides and by the drive of swing executor to the work piece action is taken away to the simulation manual work, lower clamping jaw fixed connection is on the clamping jaw pendulum seat, go up the clamping jaw by pressing from both sides tight executor drive and reciprocate, search sensor distributes in last clamping jaw both sides and with last clamping jaw synchronous motion, with the lower surface of search rail, descend height detection sensor to be used for detecting whole mechanism down height, with the accurate positioning of realization mechanism direction of height.

According to the utility model discloses an on the other hand provides a bolt disassembly body for railway fastener system maintains operation for disassembling and keeping in of two sleeper bolts, bullet strip, collets, including spring base, two sets of sleeper bolts automatic twist and twist the device and two sets of combination clamping device, the sleeper bolt is automatic to twist and twist the device and spring base separation arrangement, be used for screwing up/unscrew the bolt, combination clamping device sets up on spring base for the common centre gripping of bullet strip and collets the two.

Further, the combined clamping device comprises a first clamping block assembly, a second clamping block assembly and a transverse clamping cylinder, wherein the first clamping block assembly, the second clamping block assembly and the transverse clamping cylinder are located on two sides of the elastic strip, the first clamping block assembly and the second clamping block assembly respectively comprise an L-shaped supporting block, a clamping cylinder, an upper clamping block driven by the clamping cylinder and an insulating block shovel seat fixedly connected to the L-shaped supporting block, and the transverse clamping cylinder is used for driving the first clamping block assembly and the second clamping block assembly to move in a centering mode before tension of the elastic strip disappears so as to clamp the elastic strip and the insulating block.

The utility model discloses to the operation flow that current fastener system maintained, set up one set of servo rotatory automatic operation device of multistation, aim at solving that the sleeper bolt is automatic to be disassembled, play the strip colleting and keep in, the gauge apron is changed, the altitude mixture control board snatchs the change, the bolt bullet strip colleting resets. The utility model discloses an above-mentioned servo rotary mechanism who has raising and lowering functions, with the maintenance process integration in an organic whole of fastener system, realized the bolt and disassembled, the gauge baffle is changed, the automatic operation of change of height adjustment board to can drop into automatic butt joint with waste recovery and new material, effectively avoid the drawback in the artifical maintenance process of fastener system.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural 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 device according to the present invention;

fig. 4 is a schematic view of a railway fastener system maintenance unit according to the present invention for automatic removal of tie bolts;

fig. 5 is a schematic view of a railway fastener system maintenance device according to the present invention for gage baffle grabbing and replacement operations;

fig. 6 is a schematic view of a railway fastener system maintenance unit according to the present invention for high bolster plate grabbing and replacement operations;

fig. 7 is a schematic perspective view of a bolt detaching mechanism of a railway fastener system maintenance device according to the present invention;

fig. 8 is a schematic perspective view of a gage stop gripping mechanism of a railway fastener system maintenance unit according to the present invention;

fig. 9 is a schematic perspective view of a high bolster plate gripping mechanism of a railway fastener system maintenance device 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 shim plate gripping mechanism according to the present invention;

fig. 12 is a schematic view showing an operation state of the height pad catching mechanism according to the present invention;

fig. 13 is a second schematic view of the action state of the height shim plate gripping mechanism according to the present invention;

fig. 14 is a schematic view of the action state of the height shim plate gripping mechanism according to the present invention; and

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

Detailed Description

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

As shown in fig. 3, the maintenance device for railway fastening system of the present invention mainly comprises a suspension 10, a slide 20, a working turntable 30, a servo lifting mechanism 40, a servo rotating mechanism 50, a bolt disassembling mechanism 60, a gauge baffle 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 base plate, so that the clamping jaw moves 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 the 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 both sides of the sleeper, and are used for searching the lower surface of the 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 base plate grabbing mechanism can be automatically butted with a waste recycling and new material feeding system comprising a manipulator, so that the replacement of a new high base plate is realized.

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 violating the ergonomics. The utility model discloses use high backing plate to snatch the mechanism and replace artifical the action of snatching, avoided a series of actions that violate human-machine engineering, alleviateed the manpower, improved the efficiency of trading high backing plate by a wide margin, reduced the artifical error rate of trading the board in-process.

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.

The utility model discloses an above-mentioned servo rotary mechanism who has raising and lowering functions, with the maintenance process integration in an organic whole of fastener system, realized the bolt and disassembled, the gauge baffle is changed, the automatic operation of change of high backing plate to can drop into automatic butt joint with waste recovery and new material, effectively avoid the drawback of the artifical maintenance in-process of fastener system.

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 (10)

1. A maintenance operation device for a railway fastener system is characterized by comprising a suspension, a sliding seat, an operation turntable, a servo lifting mechanism, a servo rotating mechanism, a bolt disassembling mechanism, a gauge baffle grabbing mechanism and a height base plate grabbing mechanism,

the slide carriage is arranged on the suspension frame in a sliding way along the vertical direction and is driven by the servo lifting mechanism, the working turntable is arranged on the slide carriage in a rotating way in the vertical plane and is driven by the servo rotating mechanism,

a plurality of connecting seats are arranged on the periphery of the operation turntable, the bolt disassembling mechanism, the height base plate grabbing mechanism and the gauge baffle grabbing mechanism are respectively connected to one connecting seat and driven by the servo rotating mechanism and the servo lifting mechanism to reach an operation position,

the bolt disassembling mechanism is used for disassembling and temporarily storing two sleeper bolts, elastic strips and insulating blocks, the gauge baffle grabbing mechanism is used for grabbing gauge baffles on two sides of a steel rail, and the height base plate grabbing mechanism is used for clamping and taking out a height base plate below the steel rail.

2. The railway fastener system maintenance device of claim 1, wherein the maintenance device is mounted on a rail-engaging vehicle, wherein a plurality of sets of the maintenance device are arranged on a working carriage of the rail-engaging vehicle, and wherein the rail-engaging vehicle is further configured to automatically lift the rail.

3. The railway fastener system maintenance device of claim 1, wherein the suspension is generally portal-shaped, the carriage is disposed within the portal-shaped suspension, and each side of the carriage engages the suspension via a pair of slide-rail slider motions.

4. The railway fastener system maintenance work device of claim 1, wherein the work turret comprises a turret body and three attachment sockets arranged circumferentially equidistant around the turret body by 120 °.

5. The railway fastener system maintenance work device according to claim 1, wherein the bolt disassembling mechanism comprises a spring base, two sets of sleeper bolt automatic screwing devices and two sets of combined clamping devices, the sleeper bolt automatic screwing devices are arranged separately from the spring base and used for screwing/unscrewing bolts, and the combined clamping devices are arranged on the spring base and used for clamping the elastic strips and the insulating blocks together.

6. The railway fastener system maintenance work device of claim 5,

the combined clamping device comprises a first clamping block component, a second clamping block component and a transverse clamping cylinder which are positioned at two sides of the elastic strip,

the first clamping block assembly and the second clamping block assembly respectively comprise an L-shaped supporting block, a clamping cylinder, an upper clamping block driven by the clamping cylinder, and an insulating block shovel seat fixedly connected to the L-shaped supporting block,

the transverse clamping cylinder is used for driving the first clamping block assembly and the second clamping block assembly to move in a centering mode before tension of the elastic strip disappears, and the elastic strip and the insulating block are clamped.

7. The railway fastener system maintenance work device of claim 1, wherein the gage apron grasping mechanism comprises a height compensation seat, two gage apron grasping actuators, and the gage apron grasping actuators are pneumatic jaws or electric jaws.

8. The railway fastener system maintenance work device according to claim 1, wherein the height pad plate gripping mechanism comprises a mounting base plate, a horizontal sliding base, a jaw swing base, a horizontal actuator, a swing actuator, a lower jaw, an upper jaw, a clamping actuator, a falling height detection sensor, and a search sensor,

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 workpieces,

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 sensors are distributed on two sides of the upper clamping jaw and move synchronously with the upper clamping jaw to search 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.

9. The utility model provides a mechanism is disassembled to bolt for operation is maintained to railway fastener system which characterized in that for the disassembly and the temporary storage of two sleeper bolts, bullet strip, collets, including spring base, two sets of sleeper bolts automatic revolve wrong device and two sets of combination clamping device, sleeper bolt is automatic revolves wrong device and spring base separation arrangement, is used for screwing up/unscrews the bolt, combination clamping device sets up on spring base for the two centre gripping jointly of bullet strip and collets.

10. The bolt disassembling mechanism for railway fastener system maintenance work according to claim 9,

the combined clamping device comprises a first clamping block component, a second clamping block component and a transverse clamping cylinder which are positioned at two sides of the elastic strip,

the first clamping block assembly and the second clamping block assembly respectively comprise an L-shaped supporting block, a clamping cylinder, an upper clamping block driven by the clamping cylinder, and an insulating block shovel seat fixedly connected to the L-shaped supporting block,

the transverse clamping cylinder is used for driving the first clamping block assembly and the second clamping block assembly to move in a centering mode before tension of the elastic strip disappears, and the elastic strip and the insulating block are clamped.

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