CN108642981A - A kind of railway construction machine guard rail hoisting device - Google Patents
A kind of railway construction machine guard rail hoisting device Download PDFInfo
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- CN108642981A CN108642981A CN201810418919.0A CN201810418919A CN108642981A CN 108642981 A CN108642981 A CN 108642981A CN 201810418919 A CN201810418919 A CN 201810418919A CN 108642981 A CN108642981 A CN 108642981A
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- rubber
- guard rail
- runner
- cylinder
- ratchet
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
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- Structural Engineering (AREA)
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Abstract
The invention discloses a kind of railway construction machine guard rail hoisting device, structure includes：Axis wheel conveyer belt, runner governing box, oblique frame handlebar stem, plunger piston fluid pressure cylinder, alloy plunger barrel, joint roller, guard rail clamping plate, play multiple slot pedestal, hinge roller bearing column, rubber fastening block, axis wheel conveyer belt is inserted embedded in the right side of runner governing box, runner governing box of the present invention is equipped with piston cylinder jack unit, spinning disk transport mechanism, intermittent transmission device, ratchet rotating mechanism, fanning tray pendulum device, sliding block head-on collision mechanism, internal combustion cylinder rubbing device, rubber tube clamping device, while realizing guard rail hoisting device and play multiple with hydraulic cylinder, runner rotating speed is controlled to play the effect of adjusting, make runner conveyer belt output speed alterable, coordinate the dead weight of different guard rails, it carries out resistance to compression and plays multiple operation, integrated simplicity mechanical structure, the multiple process from internal cohesion transmission goes to directly affect, the probability to slide down is greatly lowered.
Description
Technical field
The present invention is a kind of railway construction machine guard rail hoisting device, belongs to construction of railways and guard rail hoisting equipment neck
Domain.
Background technology
Various civil engineering facilities on railway, at the same also refer to railway construction each stage such as survey and design, construction, maintenance,
The used technology of reconstruction, railway engineering include initially building related with railway for example track, roadbed, bridge, tunnel, yard,
The engineerings such as machinery and signal, at present Telescopic rotating speed governing of the common guard rail hoisting device of technology to jack or piston/cylinder
Shortcoming, is easy to cause during guard rail hoisting, slides down in advance, insufficient to the pressure rotating speed control force in convergence process, makes entirety
Runner rotates fluency shortcoming, and excessively rotation transmission has caused multiple pressure bounce to slide down, and speed governing is not achieved and reduces linking transmission
Effect.
Invention content
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of railway construction machine guard rail hoisting device,
The Telescopic rotating speed governing of jack or piston/cylinder is short of with solving guard rail hoisting device, is easy to cause guard rail hoisting process
In, it slides down in advance, it is insufficient to the pressure rotating speed control force in convergence process, make whole runner rotation fluency shortcoming, excessively revolves
Turning transmission has caused multiple pressure bounce to slide down, and the problem of speed governing reduces the effect of linking transmission is not achieved.
To achieve the goals above, the present invention is to realize by the following technical solutions：A kind of railway construction machine shield
Rail hoisting device, structure include：Axis wheel conveyer belt, runner governing box, oblique frame handlebar stem, plunger piston fluid pressure cylinder, alloy plunger barrel,
Joint roller, guard rail clamping plate play multiple slot pedestal, hinge roller bearing column, rubber fastening block, and the axis wheel conveyer belt, which is inserted, is embedded in runner tune
The bottom surface on the right side of fast case, the runner governing box is tightly attached on the top surface of plunger piston fluid pressure cylinder, and the alloy plunger barrel is inserted and is embedded in
The left side and axle center of plunger piston fluid pressure cylinder are conllinear, and the rubber fastening block sets there are two and has been nested in the right side of multiple slot pedestal
End, described multiple slot pedestal are flexibly connected by hinge roller bearing column with guard rail clamping plate, and the alloy plunger barrel passes through joint roller
It is mechanically connected with guard rail clamp plate, the oblique frame handlebar stem has been embedded in 45 degree of angle lapping oblique cuttings on the stage casing of multiple slot pedestal, institute
The inside that plunger piston fluid pressure cylinder has been mounted on multiple slot pedestal with guard rail clamping plate is stated, the hinge roller bearing column, which is inserted, has been embedded in multiple slot pedestal
Left end, the runner governing box be equipped with piston cylinder jack unit, spinning disk transport mechanism, intermittent transmission device, ratchet whirler
Structure, fanning tray pendulum device, sliding block head-on collision mechanism, internal combustion cylinder rubbing device, rubber tube clamping device, the piston cylinder jack unit
It is mechanically connected by connecting rod and spinning disk transport mechanism, the piston cylinder jack unit is installed in left side respectively with spinning disk transport mechanism
The upper and lower ends of intermittent transmission device, the spinning disk transport mechanism are connected by intermittent transmission device and rubber tube clamping device machinery
It connecing, the ratchet of the ratchet rotating mechanism and the tooth plate of fanning tray pendulum device are meshed with the tooth block of sliding block head-on collision mechanism respectively,
The ratchet rotating mechanism is respectively arranged in the left and right sides of fanning tray pendulum device, the intermittently-driving with internal combustion cylinder rubbing device
Device installation is lived in the upper left corner of ratchet rotating mechanism, the push plate of sliding block head-on collision mechanism and the rod piece of internal combustion cylinder rubbing device
Dynamic connection, the rubber tube clamping device are installed on the top of internal combustion cylinder rubbing device, and the spinning disk transport mechanism passes through steel wire
The ratchet of rope and ratchet rotating mechanism is mechanically connected, and the rubber tube clamping device is nested in the left side of axis wheel conveyer belt.
To optimize above-mentioned technical proposal, the measure further taken is：
According to a kind of embodiment, the piston cylinder jack unit is lived by L-type hanger, piston rod, adjustable spring, alloy
Plug cylinder, pushing tow batten, folding connecting rod, torsion spring silk composition, the bottom end of the L-type hanger is welded on the right side of alloy piston cylinder
Side, the adjustable spring are installed on the inside of alloy piston cylinder, and the top of the adjustable spring is welded on the lower right corner of piston rod,
The piston rod is inserted embedded in the top of alloy piston cylinder, and the piston rod is mechanically connected by pushing tow batten and folding connecting rod, institute
It states pushing tow batten to insert embedded in the bottom of alloy piston cylinder, the pushing tow batten sets there are two and is installed in torsion spring silk respectively
Upper and lower ends, the pushing tow batten passes through interlocking bar and spinning disk transport mechanism and is mechanically connected.
According to a kind of embodiment, the spinning disk transport mechanism by traction interlocking bar, sliding block batten, annulus sliding slot, around
Line rotary case, spring fastening, rubber transmission belt composition, the bottom end of the traction interlocking bar is fastened on one with the top of sliding block batten
It rises, the bottom end of the sliding block batten is flexibly connected with annulus sliding slot, and the wire-wound rotary disc body is nested in the inside of annulus sliding slot simultaneously
And axle center is conllinear, the bottom end of the annulus sliding slot is tightly attached on the top surface of spring fastening, the left end of the rubber transmission belt with around
Line rotary case is mechanically connected, and the annulus sliding slot and wire-wound rotary disc body are in the same vertical plane, the traction interlocking bar installation
In the upper left corner of wire-wound rotary disc body, the wire-wound rotary disc body is installed in the left side of sliding block head-on collision mechanism.
According to a kind of embodiment, the intermittent transmission device by cross swivel mount, swing rod runner, groove dish wheel body,
Oblique pull cradling piece, transmission steel wire rope, two-wire grooved roller, propulsion arm axis wheel composition, the cross swivel mount by swing rod runner with
Groove dish wheel body is flexibly connected, and the axle center of the swing rod runner and groove dish wheel body is nested in a left side for two oblique pull cradling pieces respectively
End, the groove dish wheel body are mechanically connected by transmitting steel wire rope with two-wire grooved roller, the groove dish wheel body and propulsion arm axis
Wheel is installed in the left and right inferior horn of two-wire grooved roller and in the same vertical plane respectively, and the propulsion arm axis wheel, which passes through, transmits steel
Cord is mechanically connected with two-wire grooved roller, and the propulsion arm axis wheel is flexibly connected with the clip slot of rubber tube clamping device.
According to a kind of embodiment, the ratchet rotating mechanism is by triangular support base, fixed pulley body, ratchet disc, pushing tow
Hook bar, hook fixed plate, mast supporting rack, spring wire composition, the axle center of the fixed pulley body is nested in the top of triangular support base
On end, the fixed pulley body is mechanically connected by the axle center of transmission belt and ratchet disc, and the pushing tow hook bar is set there are two simultaneously
And it is nested in the left and right sides of hook fixed plate respectively, the hook fixed plate is welded on the lower left corner of mast supporting rack, described
Ratchet disc is meshed with pushing tow hook bar, and the fixed pulley body and ratchet disc are in the same vertical plane, the pushing tow hook
Claw bar is flexibly connected by roller bearing with hook fixed plate, and the mast supporting rack is inserted embedded in the left side of fanning tray pendulum device, described
Ratchet disc is meshed with the tooth block of sliding block head-on collision mechanism.
According to a kind of embodiment, the fanning tray pendulum device is by bearing block, arc groove body, shaft rotation column casing body, clock
Rocking bar, inner shaft wheel body, sector rack composition are put, the arc groove body sets there are two and is welded into one with shaft rotation column casing body
The left side of shaft rotation column casing body is tightly attached on body, the right side of the bearing block, and the bottom end of the pendulum rocking bar passes through inner shaft wheel body and fan
Shape tooth plate is mechanically connected, and the inner shaft wheel body is nested in the inside of sector rack, the top of the pendulum rocking bar and arc groove
Body is flexibly connected, and the bearing block, arc groove body, the axle center of shaft rotation column casing body are conllinear, and the sector rack is installed on internal combustion
The lower left corner of cylinder rubbing device.
According to a kind of embodiment, the sliding block head-on collision mechanism is by sliding rail cross bar, roller tooth block, head-on collision riser, reset
Spring folds batten, pushes otic placode composition, and the sliding rail cross bar extends transversely through the inside of roller tooth block, and the roller tooth block is logical
Idler wheel to be crossed to be flexibly connected with the outer surface of sliding rail cross bar, the roller tooth block is mechanically connected by the riser that clashes with resetting spring,
The resetting spring is respectively welded at the upper and lower ends of right side head-on collision riser with batten is folded, and the pushing otic placode is inserted embedded in head-on collision
The upper left corner of riser, the folding batten by clash riser with pushing otic placode be flexibly connected, the roller tooth block be installed on around
The right side of line rotary case, the roller tooth block are meshed with ratchet disc.
According to a kind of embodiment, the internal combustion cylinder rubbing device is by drawing mast, fold connecting rod, fan-shaped disk, rubber
Glue arc groove, internal combustion cylinder body, otic placode fixed seat, clip box block composition, the drawing mast are justified by turning down connecting rod with sector
Piece is flexibly connected, and the sector disk is nested in the upper and lower ends of fold connecting rod with drawing mast respectively, the sector disk
Top surface is tightly attached under the bottom surface of rubber arc groove, and the fold connecting rod, fan-shaped disk, rubber arc groove are mounted on internal combustion cylinder body
Inside, the otic placode fixed seat sets there are two and snapped together by clip box block, a left side for the otic placode fixed seat
The right side of internal combustion cylinder body is tightly attached in face, and the drawing mast, fold connecting rod, fan-shaped disk are in the same vertical plane, described interior
Combustion cylinder body is installed on the bottom of rubber tube clamping device.
According to a kind of embodiment, the rubber tube clamping device by rotating semicircular disk, helical screw, clip groove,
Rubber column tube, limit otic placode, bourdon tube composition, the rotating semicircular disk are nested in the left end of helical screw, the helical screw
It inserts the left and right sides for being embedded in clip groove respectively with rubber column tube and axle center is conllinear, the limit otic placode is equipped with two and divides
It is not nested in the upper and lower ends of bourdon tube, the top surface of the limit otic placode is tightly attached under the bottom surface of clip groove, and the clip is recessed
Slot, rubber column tube, limit otic placode are equipped with two and, the clip groove installation symmetrical by the center line of bourdon tube
In the upper left corner of internal combustion cylinder body, the left side of the clip groove is flexibly connected with propulsion arm axis wheel.
Advantageous effect
A kind of railway construction machine guard rail hoisting device of the present invention, operating personnel are pushed oblique by hand steered oblique frame handlebar stem
Frame handlebar stem tilts joint roller, and the bending of alloy plunger barrel pushing tow guard rail clamping plate is driven to pick up guard rail, axis wheel conveyer belt and runner
Governing box regulates and controls rotary speed in due course, imports plunger piston fluid pressure cylinder, controls the jacking force and rotary force of plunger, by playing multiple slot pedestal
Firm guard rail is anti-deviation, facilitates guard rail clamping plate lifting rotation in conjunction with hinge roller bearing column, then rubber fastening block friction earth-grasping force
By force, make guard rail reset fitting tighter, runner governing box is started by piston cylinder jack unit, is hung by L-type hanger supports
Alloy piston cylinder is hung, piston rod is pushed and compresses adjustable spring, to pushing tow pushing tow batten Foldable connecting rod and torsion spring silk
It shrinks, after whole rebound reset, drives the traction interlocking bar folding roof sliding block batten of spinning disk transport mechanism along annulus sliding slot
Rotation, by the pressure of spring fastening damper piston bar, rubs to drive wire-wound rotary disc body to wind rubber transmission belt to be formed
The synchronous progress that transmission is transmitted with conveyer belt is wiped, rubber transmission belt draws the fixed pulley body on the triangular support base of ratchet rotating mechanism
Rotation reaches speed limit effect, is supported by hook fixed plate and mast to pull ratchet disc rotation engagement pushing tow hook bar
Frame Auxiliary support hangs all parts, spring wire bumper and absorbing shock, the rolling for the mechanism that clashes by ratchet disc rotation also meshing blocks
Gear teeth block moves right along sliding rail cross bar, to engage the sector rack rotation for pushing fanning tray pendulum device, pendulum is driven to shake
Bar is swung with inner shaft wheel body, and drawing arc groove body is rotated with shaft rotation column casing body, to drive bearing block to rotate, forms constant
Having a rest property is swung, and to coordinate whole slowing effect, roller tooth block to reach right end and hit head-on collision riser compression reseting spring, lever is former
Reason, which is upheld, folds batten, makes the drawing mast of pushing otic placode pushing tow internal combustion cylinder rubbing device, pulls fold link rod turnover, makes sector
Disk and rubber arc groove phase mutual friction internal combustion, achieve the effect that friction eceleration, internal combustion cylinder body pass through otic placode fixed seat and clip
Box block is fixed from right side and is supported, and makes the rotation of wire-wound rotary disc body go to slow down in terms of internal whole three, to push wire-wound rotary disc
The cross swivel mount rotating percussion swing rod runner of body friction intermittent transmission device makes swing rod runner insert embedding promotion groove dish wheel body rotation
Turning, the two is hung by the support of oblique pull cradling piece, and the rotation of groove dish wheel body pulls transmission wire rope roll around two-wire grooved roller, thus
Transmission release propulsion arm axis wheel rotation, make propulsion arm axis wheel hit rubber tube clamping device clip groove, pushing tow rubber column tube,
Also drive rotating semicircular disc spins to be driven drives the clip grooves hold rubber column tube of upper end to rotate to helical screw, passes through limit
Position otic placode controls rubber column tube spacing up and down with bourdon tube, to which the interior runner of axis wheel conveyer belt effectively be clamped, forms friction and subtracts
The effect of speed has controlled the reaction force of multiple process, has suppressed the probability to slide down.
Runner governing box of the present invention is equipped with piston cylinder jack unit, spinning disk transport mechanism, intermittent transmission device, ratchet rotation
Mechanism, fanning tray pendulum device, sliding block head-on collision mechanism, internal combustion cylinder rubbing device, rubber tube clamping device, realize guard rail hoisting dress
While setting multiple with hydraulic cylinder, control runner rotating speed allows runner conveyer belt output speed can to play the effect of adjusting
Variation coordinates the dead weight of different guard rails, carries out resistance to compression and plays multiple operation, integration simplicity mechanical structure is driven from internal cohesion
It goes to have directly affected multiple process, the probability to slide down is greatly lowered.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, the attached drawing in being described below to embodiment is made in detail
It carefully introduces, allows other features, purposes and advantages of the invention will become more apparent with this：
Fig. 1 is a kind of structural schematic diagram of railway construction machine guard rail hoisting device of the present invention.
Fig. 2 is the structural schematic diagram of runner governing box of the present invention.
Fig. 3 is the detailed structural schematic diagram of runner governing box of the present invention.
Fig. 4 is the structural schematic diagram one of runner governing box working condition of the present invention.
Fig. 5 is the structural schematic diagram two of runner governing box working condition of the present invention.
Reference sign：Axis wheel conveyer belt -1, runner governing box -2, oblique frame handlebar stem -3, plunger piston fluid pressure cylinder -4, alloy
Plunger barrel -5, guard rail clamping plate -7, plays multiple slot pedestal -8, hinge roller bearing column -9, rubber fastening block -10, piston cylinder at joint roller -6
Jack unit -21, spinning disk transport mechanism -22, intermittent transmission device -23, ratchet rotating mechanism -24, fanning tray pendulum device -25,
Sliding block head-on collision mechanism -26, rubber tube clamping device -28, L-type hanger -211, piston rod -212, is stretched internal combustion cylinder rubbing device -27
Contracting spring -213, alloy piston cylinder -214, pushing tow batten -215, folding connecting rod -216, torsion spring silk -217, traction linkage
Bar -221, sliding block batten -222, annulus sliding slot -223, wire-wound rotary disc body -224, spring fastening -225, rubber transmission belt -226,
Cross swivel mount -231, swing rod runner -232, groove dish wheel body -233, oblique pull cradling piece -234, transmission steel wire rope -235, two-wire
Grooved roller -236, propulsion arm axis wheel -237, triangular support base -241, fixed pulley body -242, ratchet disc -243, pushing tow hook bar -
244, hook fixed plate -245, mast supporting rack -246, spring wire -247, bearing block -251, arc groove body -252, shaft rotation column
It is cylinder -253, pendulum rocking bar -254, inner shaft wheel body -255, sector rack -256, sliding rail cross bar -261, roller tooth block -262, right
Hit riser -263, resetting spring -264, fold batten -265, push otic placode -266, drawing mast -271, fold connecting rod -272,
Fan-shaped disk -273, rubber arc groove -274, internal combustion cylinder body -275, otic placode fixed seat -276, clip box block -277, rotation half
Disk -281, helical screw -282, clip groove -283, rubber column tube -284, limit otic placode -285, bourdon tube -286.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
- Fig. 5 is please referred to Fig.1, the present invention provides a kind of railway construction machine guard rail hoisting device, and structure includes：Axis wheel
Conveyer belt 1, runner governing box 2, oblique frame handlebar stem 3, plunger piston fluid pressure cylinder 4, alloy plunger barrel 5, joint roller 6, guard rail clamping plate 7,
Multiple slot pedestal 8, hinge roller bearing column 9, rubber fastening block 10 are played, the axis wheel conveyer belt 1 is inserted embedded in the right side of runner governing box 2,
The bottom surface of the runner governing box 2 is tightly attached on the top surface of plunger piston fluid pressure cylinder 4, and the alloy plunger barrel 5, which is inserted, is embedded in plunger hydraulic
The left side and axle center of cylinder 4 are conllinear, and the rubber fastening block 10 sets there are two and be nested in the right end of multiple slot pedestal 8,
Described multiple slot pedestal 8 is flexibly connected by hinge roller bearing column 9 with guard rail clamping plate 7, and the alloy plunger barrel 5 passes through joint roller
6 are mechanically connected with guard rail clamping plate 7, and the oblique frame handlebar stem 3 has been embedded in the stage casing of multiple slot pedestal 8 in 45 degree of angle lapping oblique cuttings
On, the plunger piston fluid pressure cylinder 4 has been mounted on the inside of multiple slot pedestal 8 with guard rail clamping plate 7, and the hinge roller bearing column 9 is inserted and is embedded in
The left end of multiple slot pedestal 8 is played, the runner governing box 2 is equipped with piston cylinder jack unit 21, spinning disk transport mechanism 22, intermittently-driving
Device 23, ratchet rotating mechanism 24, fanning tray pendulum device 25, sliding block head-on collision mechanism 26, internal combustion cylinder rubbing device 27, rubber pipe clamp
Mechanism 28 is held, the piston cylinder jack unit 21 is mechanically connected by connecting rod and spinning disk transport mechanism 22, the piston cylinder top pressure
Device 21 is installed in the upper and lower ends of left side intermittent transmission device 23, the spinning disk transport mechanism with spinning disk transport mechanism 22 respectively
22 are mechanically connected by intermittent transmission device 23 and rubber tube clamping device 28, the ratchet and fanning tray of the ratchet rotating mechanism 24
The tooth plate of pendulum device 25 is meshed with the tooth block of sliding block head-on collision mechanism 26 respectively, and the ratchet rotating mechanism 24 rubs with internal combustion cylinder
The left and right sides that device 27 is respectively arranged in fanning tray pendulum device 25 is wiped, the intermittent transmission device 23 is installed in ratchet whirler
The push plate in the upper left corner of structure 24, sliding block head-on collision mechanism 26 is connect with the rod movable of internal combustion cylinder rubbing device 27, the rubber
Sebific duct clamping device 28 is installed on the top of internal combustion cylinder rubbing device 27, and the spinning disk transport mechanism 22 passes through steel wire rope and ratchet
The ratchet of rotating mechanism 24 is mechanically connected, and the rubber tube clamping device 28 is nested in the left side of axis wheel conveyer belt 1, the piston
Cylinder jack unit 21 is by L-type hanger 211, piston rod 212, adjustable spring 213, alloy piston cylinder 214, pushing tow batten 215, folding
Connecting rod 216, torsion spring silk 217 form, and the bottom end of the L-type hanger 211 is welded on the right side of alloy piston cylinder 214, described
Adjustable spring 213 is installed on the inside of alloy piston cylinder 214, and the top of the adjustable spring 213 is welded on the right side of piston rod 212
Inferior horn, the piston rod 212 are inserted embedded in the top of alloy piston cylinder 214, and the piston rod 212 passes through pushing tow batten 215 and folding
Folded connecting rod 216 is mechanically connected, and the pushing tow batten 215 is inserted embedded in the bottom of alloy piston cylinder 214, and the pushing tow batten 215 is set
There are two and be installed in the upper and lower ends of torsion spring silk 217 respectively, the pushing tow batten 215 passes through interlocking bar and is passed with turntable
Transfer mechanism 22 be mechanically connected, the spinning disk transport mechanism 22 by traction interlocking bar 221, sliding block batten 222, annulus sliding slot 223, around
Line rotary case 224, spring fastening 225, rubber transmission belt 226 form, bottom end and the sliding block batten of the traction interlocking bar 221
222 top snaps together, and the bottom end of the sliding block batten 222 is flexibly connected with annulus sliding slot 223, the wire-wound rotary disc body
224 are nested in the inside of annulus sliding slot 223 and axle center is conllinear, and spring fastening 225 is tightly attached in the bottom end of the annulus sliding slot 223
Top surface on, the left end of the rubber transmission belt 226 is mechanically connected with wire-wound rotary disc body 224, the annulus sliding slot 223 and coiling
Rotary case 224 is in the same vertical plane, and the traction interlocking bar 221 is installed on the upper left corner of wire-wound rotary disc body 224, it is described around
Line rotary case 224 is installed in the left side of sliding block head-on collision mechanism 26, and the intermittent transmission device 23 is by cross swivel mount 231, swing rod
Runner 232, groove dish wheel body 233, oblique pull cradling piece 234, transmission steel wire rope 235, two-wire grooved roller 236, propulsion arm axis wheel 237
Composition, the cross swivel mount 231 are flexibly connected by swing rod runner 232 with groove dish wheel body 233, the swing rod runner 232
It is nested in the left end of two oblique pull cradling pieces 234 respectively with the axle center of groove dish wheel body 233, the groove dish wheel body 233 passes through
It transmits steel wire rope 235 to be mechanically connected with two-wire grooved roller 236, the groove dish wheel body 233 is installed respectively with propulsion arm axis wheel 237
In the left and right inferior horn of two-wire grooved roller 236 and in the same vertical plane, the propulsion arm axis wheel 237, which passes through, transmits steel wire rope
235 are mechanically connected with two-wire grooved roller 236, and the propulsion arm axis wheel 237 and the clip slot activity of rubber tube clamping device 28 connect
It connects, the ratchet rotating mechanism 24 is by triangular support base 241, fixed pulley body 242, ratchet disc 243, pushing tow hook bar 244, hook
Fixed plate 245, mast supporting rack 246, spring wire 247 form, and the axle center of the fixed pulley body 242 is nested in triangular support base 241
Top on, the axle center that the fixed pulley body 242 passes through transmission belt and ratchet disc 243 is mechanically connected, the pushing tow hook bar
244 set there are two and are nested in respectively the left and right sides of hook fixed plate 245, and the hook fixed plate 245 is welded on mast
The lower left corner of supporting rack 246, the ratchet disc 243 are meshed with pushing tow hook bar 244, the fixed pulley body 242 and ratchet
Disk 243 is in the same vertical plane, and the pushing tow hook bar 244 is flexibly connected by roller bearing with hook fixed plate 245, described
Mast supporting rack 246 is inserted embedded in the left side of fanning tray pendulum device 25, the tooth block of the ratchet disc 243 and sliding block head-on collision mechanism 26
Be meshed, the fanning tray pendulum device 25 by bearing block 251, arc groove body 252, shaft rotation column casing body 253, pendulum rocking bar 254,
Inner shaft wheel body 255, sector rack 256 form, and the arc groove body 252 sets there are two and welded with shaft rotation column casing body 253
It is connected into one, the left side of shaft rotation column casing body 253 is tightly attached on the right side of the bearing block 251, and the bottom end of the pendulum rocking bar 254 is logical
It crosses inner shaft wheel body 255 to be mechanically connected with sector rack 256, the inner shaft wheel body 255 is nested in the inside of sector rack 256, institute
The top for stating pendulum rocking bar 254 is flexibly connected with arc groove body 252, the bearing block 251, arc groove body 252, shaft rotation column
The axle center of cylinder 253 is conllinear, and the sector rack 256 is installed on the lower left corner of internal combustion cylinder rubbing device 27, the sliding block head-on collision
Mechanism 26 is by sliding rail cross bar 261, roller tooth block 262, head-on collision riser 263, resetting spring 264, folding batten 265, pushing otic placode
266 compositions, the sliding rail cross bar 261 extend transversely through the inside of roller tooth block 262, and the roller tooth block 262 passes through idler wheel and cunning
The outer surface of rail cross bar 261 is flexibly connected, and the roller tooth block 262 is connected by the riser 263 that clashes with 264 machinery of resetting spring
It connects, the resetting spring 264 is respectively welded at the upper and lower ends of right side head-on collision riser 263, the pushing ear with batten 265 is folded
Plate 266 is inserted embedded in the upper left corner of head-on collision riser 263, and the folding batten 265 is lived by clashing riser 263 with otic placode 266 is pushed
Dynamic connection, the roller tooth block 262 are installed on the right side of wire-wound rotary disc body 224, the roller tooth block 262 and ratchet disc 243
It is meshed, the internal combustion cylinder rubbing device 27 is by drawing mast 271, fold connecting rod 272, fan-shaped disk 273, rubber arc groove
274, internal combustion cylinder body 275, otic placode fixed seat 276, clip box block 277 form, and the drawing mast 271 is by turning down connecting rod
272 are flexibly connected with fan-shaped disk 273, and the sector disk 273 is nested in fold connecting rod 272 respectively with drawing mast 271
The top surface of upper and lower ends, the sector disk 273 is tightly attached under the bottom surface of rubber arc groove 274, the fold connecting rod 272, fan
Shape disk 273, rubber arc groove 274 are mounted on the inside of internal combustion cylinder body 275, and the otic placode fixed seat 276 sets that there are two simultaneously
And snapped together by clip box block 277, the right side of internal combustion cylinder body 275 is tightly attached on the left side of the otic placode fixed seat 276,
The drawing mast 271, fold connecting rod 272, fan-shaped disk 273 are in the same vertical plane, and the internal combustion cylinder body 275 is installed on
The bottom of rubber tube clamping device 28, the rubber tube clamping device 28 are recessed by rotating semicircular disk 281, helical screw 282, clip
Slot 283, rubber column tube 284, limit otic placode 285, bourdon tube 286 form, and the rotating semicircular disk 281 is nested in helical screw
282 left end, the helical screw 282 are inserted respectively with rubber column tube 284 embedded in the left and right sides of clip groove 283 and axle center
Collinearly, the limit otic placode 285 sets there are two and is nested in the upper and lower ends of bourdon tube 286, the limit otic placode 285 respectively
Top surface be tightly attached under the bottom surface of clip groove 283, the clip groove 283, rubber column tube 284, limit otic placode 285 be equipped with
Two and symmetrical by the center line of bourdon tube 286, the clip groove 283 is installed on the upper left of internal combustion cylinder body 275
The left side at angle, the clip groove 283 is flexibly connected with propulsion arm axis wheel 237.
Operating process：Operating personnel push oblique frame handlebar stem 3 and tilt joint roller 6, band by hand steered oblique frame handlebar stem 3
The bending of 5 pushing tow guard rail clamping plate 7 of dynamic circuit connector principal column plug tube picks up guard rail, axis wheel conveyer belt 1 and the speed of regulation and control rotation in due course of runner governing box 2
Degree imports plunger piston fluid pressure cylinder 4, controls the jacking force and rotary force of plunger, and by playing a multiple slot pedestal 8, to consolidate guard rail anti-deviation, then
Facilitate 7 lifting rotation of guard rail clamping plate in conjunction with hinge roller bearing column 9, then the friction of rubber fastening block 10 earth-grasping force is strong, and guard rail is made to reset
Fitting is tighter, starts runner governing box 2 by piston cylinder jack unit 21, supports hanging alloy to live by L-type hanger 211
Plug cylinder 214 pushes piston rod 212 and compresses adjustable spring 213, to 215 Foldable connecting rod 216 of pushing tow pushing tow batten and torque
Spring wire 217 is shunk, and after whole rebound reset, 221 folding roof of traction interlocking bar of spinning disk transport mechanism 22 is driven to push away slider bar
Plate 222 is rotated along annulus sliding slot 223, to drive wire-wound rotary disc body 224 to wind rubber transmission belt 226, passes through spring fastening
The pressure of 225 damper piston bars 212, to form the synchronous progress that frictional drive and conveyer belt transmit, rubber transmission belt 226 is led
The fixed pulley body 242 drawn on the triangular support base 241 of ratchet rotating mechanism 24 rotates, to pull the rotation engagement of ratchet disc 243
Pushing tow hook bar 244, reaches speed limit effect, and each portion is hung by hook fixed plate 245 and 246 Auxiliary support of mast supporting rack
Part, 247 bumper and absorbing shock of spring wire, by ratchet disc 243 rotation also meshing blocks clash mechanism 26 roller tooth block 262 along
Sliding rail cross bar 261 moves right, and pushes the sector rack 256 of fanning tray pendulum device 25 to rotate to engage, drives pendulum rocking bar
254 swing with inner shaft wheel body 255, and drawing arc groove body 252 is rotated with shaft rotation column casing body 253, to drive bearing block 251 to revolve
Turn, form constant intermittent swing, to coordinate whole slowing effect, roller tooth block 262 to reach right end and hit head-on collision riser 263
Compression reseting spring 264, lever principle, which is upheld, folds batten 265, makes leading for 266 pushing tow internal combustion cylinder rubbing device 27 of pushing otic placode
Stay column bar 271 pulls fold connecting rod 272 to overturn, makes fan-shaped disk 273 and 274 phase mutual friction internal combustion of rubber arc groove, reach and rub
The effect slowed down is wiped, internal combustion cylinder body 275 is fixed from right side by otic placode fixed seat 276 and clip box block 277 and supported, and coiling is made
The rotation of rotary case 224 goes to slow down in terms of internal whole three, to push the friction intermittent transmission device 23 of wire-wound rotary disc body 224
231 rotating percussion swing rod runner 232 of cross swivel mount makes swing rod runner 232 insert embedding promotion groove dish wheel body 233 and rotates, the two
It is supported and is hung by oblique pull cradling piece 234, the rotation of groove dish wheel body 233 pulls transmission steel wire rope 235 to wind two-wire grooved roller
236,237 rotation of propulsion arm axis wheel is released to transmit, keeps the clip that propulsion arm axis wheel 237 hits rubber tube clamping device 28 recessed
Slot 283, pushing tow rubber column tube 284 also drive 281 rotary drive of rotating semicircular disk to helical screw 282, drive the clip of upper end
Groove 283 is clamped rubber column tube 284 and rotates, and 284 spacing of rubber column tube is controlled by limiting otic placode 285 and about 286 bourdon tube,
To which the interior runner of axis wheel conveyer belt 1 effectively be clamped, the effect of friction eceleration is formed, has controlled the reaction force of multiple process, pressure
The probability that slides down is made, while reaching guard rail hoisting device by runner governing box 2 and play multiple with hydraulic cylinder, controls runner rotating speed
It to play the effect of adjusting, makes runner conveyer belt output speed alterable, coordinates the dead weight of different guard rails, carry out resistance to compression and rise again
Operation.
The present invention is combined with each other by above-mentioned component, while reaching guard rail hoisting device and play multiple with hydraulic cylinder, control
Runner rotating speed processed makes runner conveyer belt output speed alterable, coordinates the dead weight of different guard rails to play the effect of adjusting, into
Row resistance to compression plays multiple operation, integration simplicity mechanical structure, and the multiple process from internal cohesion transmission goes to directly affect significantly drops
The low probability to slide down is short of the Telescopic rotating speed governing of jack or piston/cylinder to solve guard rail hoisting device with this, holds
During easily leading to guard rail hoisting, slide down in advance, it is insufficient to the pressure rotating speed control force in convergence process, so that whole runner is rotated
Fluency is short of, and excessive rotation transmission has caused multiple pressure bounce to slide down, and speed governing is not achieved and reduces asking for the effect for being connected transmission
Topic.
Plunger piston fluid pressure cylinder 4 of the present invention is that hydraulic energy is changed into mechanical energy, does straight reciprocating motion or swing
The hydraulic actuator of movement, its simple in structure, reliable operation when realizing reciprocating motion, can remove deceleration device from it, and
And there is no drive gap, stable movement, therefore be used widely in the hydraulic system of various machineries.
Specific embodiment described herein is only to be given an example to the present invention.The technical field of the invention
Technical staff can make various modifications or additions to the described embodiments or substitute by a similar method, but
Without departing from the present invention's or beyond the scope of the appended claims.
Claims (9)
1. a kind of railway construction machine guard rail hoisting device, structure include：Axis wheel conveyer belt (1), runner governing box (2), tiltedly
Frame handlebar stem (3), alloy plunger barrel (5), joint roller (6), guard rail clamping plate (7), plays multiple slot pedestal at plunger piston fluid pressure cylinder (4)
(8), hinge roller bearing column (9), rubber fastening block (10), it is characterised in that：
The axis wheel conveyer belt (1) is inserted embedded in the right side of runner governing box (2), and the bottom surface of the runner governing box (2) is tightly attached to
On the top surface of plunger piston fluid pressure cylinder (4), the alloy plunger barrel (5) inserts the left side for being embedded in plunger piston fluid pressure cylinder (4) and axle center is conllinear,
The rubber fastening block (10) sets there are two and has been nested in the right end of multiple slot pedestal (8), and described multiple slot pedestal (8) is logical
It crosses hinge roller bearing column (9) to be flexibly connected with guard rail clamping plate (7), the alloy plunger barrel (5) passes through joint roller (6) and guard rail clamp
Plate (7) is mechanically connected, and the oblique frame handlebar stem (3) has been embedded in 45 degree of angle lapping oblique cuttings on the stage casing of multiple slot pedestal (8), institute
The inside that plunger piston fluid pressure cylinder (4) has been mounted on multiple slot pedestal (8) with guard rail clamping plate (7) is stated, the hinge roller bearing column (9) is inserted embedding
In the left end for playing multiple slot pedestal (8)；
The runner governing box (2) is equipped with piston cylinder jack unit (21), spinning disk transport mechanism (22), intermittent transmission device
(23), ratchet rotating mechanism (24), fanning tray pendulum device (25), sliding block head-on collision mechanism (26), internal combustion cylinder rubbing device (27), rubber
Sebific duct clamping device (28)；
The piston cylinder jack unit (21) is mechanically connected by connecting rod and spinning disk transport mechanism (22), the piston cylinder top pressure dress
Set the upper and lower ends that (21) are installed in left side intermittent transmission device (23) with spinning disk transport mechanism (22) respectively, the spinning disk transport
Mechanism (22) is mechanically connected by intermittent transmission device (23) and rubber tube clamping device (28), the ratchet rotating mechanism (24)
Ratchet and the tooth plate of fanning tray pendulum device (25) be meshed respectively with the tooth block of sliding block head-on collision mechanism (26), ratchet rotation
Mechanism (24) is respectively arranged in the left and right sides of fanning tray pendulum device (25), the intermittently-driving with internal combustion cylinder rubbing device (27)
Device (23) is installed in the upper left corner of ratchet rotating mechanism (24), the push plate and internal combustion cylinder friction of the sliding block head-on collision mechanism (26)
The rod movable of device (27) connects, and the rubber tube clamping device (28) is installed on the top of internal combustion cylinder rubbing device (27),
The spinning disk transport mechanism (22) is mechanically connected by the ratchet of steel wire rope and ratchet rotating mechanism (24), the rubber tube clamping
Mechanism (28) is nested in the left side of axis wheel conveyer belt (1).
2. a kind of railway construction machine guard rail hoisting device according to claim 1, it is characterised in that：The piston cylinder top
Pressure device (21) is by L-type hanger (211), piston rod (212), adjustable spring (213), alloy piston cylinder (214), pushing tow batten
(215), folding connecting rod (216), torsion spring silk (217) composition, the bottom end of the L-type hanger (211) is welded on alloy piston
The right side of cylinder (214), the adjustable spring (213) are installed on the inside of alloy piston cylinder (214), the adjustable spring (213)
Top be welded on the lower right corner of piston rod (212), the piston rod (212) is inserted embedded in the top of alloy piston cylinder (214), institute
It states piston rod (212) to be mechanically connected by pushing tow batten (215) and folding connecting rod (216), the pushing tow batten (215) is inserted and is embedded in
The bottom of alloy piston cylinder (214), the pushing tow batten (215) set there are two and are installed in torsion spring silk (217) respectively
Upper and lower ends, the pushing tow batten (215) passes through interlocking bar and spinning disk transport mechanism (22) and is mechanically connected.
3. a kind of railway construction machine guard rail hoisting device according to claim 2, it is characterised in that：The spinning disk transport
Mechanism (22) is by traction interlocking bar (221), sliding block batten (222), annulus sliding slot (223), wire-wound rotary disc body (224), spring branch
Seat (225), rubber transmission belt (226) composition, the bottom end of the traction interlocking bar (221) is detained with the top of sliding block batten (222)
It is combined, the bottom end of the sliding block batten (222) is flexibly connected with annulus sliding slot (223), and the wire-wound rotary disc body (224) is embedding
It is placed on the inside of annulus sliding slot (223) and axle center is conllinear, spring fastening is tightly attached in the bottom end of the annulus sliding slot (223)
(225) on top surface, left end and the wire-wound rotary disc body (224) of the rubber transmission belt (226) are mechanically connected, the annulus sliding slot
(223) in the same vertical plane with wire-wound rotary disc body (224), the traction interlocking bar (221) is installed on wire-wound rotary disc body
(224) the upper left corner, the wire-wound rotary disc body (224) are installed in the left side of sliding block head-on collision mechanism (26).
4. a kind of railway construction machine guard rail hoisting device according to claim 1, it is characterised in that：The intermittently-driving
Device (23) is by cross swivel mount (231), swing rod runner (232), groove dish wheel body (233), oblique pull cradling piece (234), transmission
Steel wire rope (235), two-wire grooved roller (236), propulsion arm axis wheel (237) composition, the cross swivel mount (231) are turned by swing rod
Wheel (232) is flexibly connected with groove dish wheel body (233), and the swing rod runner (232) and the axle center of groove dish wheel body (233) are distinguished
It is nested in the left end of two oblique pull cradling pieces (234), the groove dish wheel body (233) is by transmitting steel wire rope (235) and two-wire
Grooved roller (236) is mechanically connected, and the groove dish wheel body (233) is installed in two-wire grooved roller respectively with propulsion arm axis wheel (237)
(236) left and right inferior horn and in the same vertical plane, the propulsion arm axis wheel (237) by transmit steel wire rope (235) with
Two-wire grooved roller (236) is mechanically connected, and the propulsion arm axis wheel (237) and the clip slot activity of rubber tube clamping device (28) connect
It connects.
5. a kind of railway construction machine guard rail hoisting device according to claim 1, it is characterised in that：The ratchet rotation
Mechanism (24) is fixed by triangular support base (241), fixed pulley body (242), ratchet disc (243), pushing tow hook bar (244), hook
Plate (245), mast supporting rack (246), spring wire (247) composition, the axle center of the fixed pulley body (242) is nested in triangular support base
(241) on top, the fixed pulley body (242) is mechanically connected by the axle center of transmission belt and ratchet disc (243), the top
Push away the left and right sides that hook bar (244) sets there are two and is nested in hook fixed plate (245) respectively, the hook fixed plate
(245) it is welded on the lower left corner of mast supporting rack (246), the ratchet disc (243) is meshed with pushing tow hook bar (244),
The fixed pulley body (242) and ratchet disc (243) are in the same vertical plane, and the pushing tow hook bar (244) passes through roller bearing
It is flexibly connected with hook fixed plate (245), the mast supporting rack (246) is inserted embedded in the left side of fanning tray pendulum device (25), institute
Ratchet disc (243) is stated to be meshed with the tooth block of sliding block head-on collision mechanism (26).
6. a kind of railway construction machine guard rail hoisting device according to claim 5, it is characterised in that：The fanning tray pendulum
Device (25) is by bearing block (251), arc groove body (252), shaft rotation column casing body (253), pendulum rocking bar (254), inner shaft wheel body
(255), sector rack (256) forms, and the arc groove body (252) sets there are two and welded with shaft rotation column casing body (253)
It is connected into one, the left side of shaft rotation column casing body (253) is tightly attached on the right side of the bearing block (251), the pendulum rocking bar (254)
Bottom end is mechanically connected by inner shaft wheel body (255) and sector rack (256), and the inner shaft wheel body (255) is nested in sector rack
(256) top of inside, the pendulum rocking bar (254) is flexibly connected with arc groove body (252), the bearing block (251),
Arc groove body (252), the axle center of shaft rotation column casing body (253) are conllinear, and the sector rack (256) is installed on internal combustion cylinder friction dress
Set the lower left corner of (27).
7. a kind of railway construction machine guard rail hoisting device according to claim 3 or 5, it is characterised in that：The sliding block
The mechanism that clashes (26) is by sliding rail cross bar (261), roller tooth block (262), head-on collision riser (263), resetting spring (264), enveloped
Plate (265) pushes otic placode (266) composition, and the sliding rail cross bar (261) extends transversely through the inside of roller tooth block (262), the rolling
Gear teeth block (262) is flexibly connected by idler wheel with the outer surface of sliding rail cross bar (261), and the roller tooth block (262) passes through head-on collision
Riser (263) is mechanically connected with resetting spring (264), and the resetting spring (264) is respectively welded at the right side with batten (265) is folded
The upper and lower ends of side head-on collision riser (263), the otic placode (266) that pushes are inserted embedded in the upper left corner of head-on collision riser (263), the folding
Folded batten (265) is flexibly connected by the riser (263) that clashes with pushing otic placode (266), the roller tooth block (262) be installed on around
The right side of line rotary case (224), the roller tooth block (262) are meshed with ratchet disc (243).
8. a kind of railway construction machine guard rail hoisting device according to claim 6, it is characterised in that：The internal combustion cylinder rubs
Device (27) is wiped by drawing mast (271), fold connecting rod (272), fan-shaped disk (273), rubber arc groove (274), internal combustion cylinder
Body (275), otic placode fixed seat (276), clip box block (277) composition, the drawing mast (271) is by turning down connecting rod
(272) it is flexibly connected with fan-shaped disk (273), the sector disk (273) is nested in fold with drawing mast (271) and connects respectively
The top surface of the upper and lower ends of bar (272), the sector disk (273) is tightly attached under the bottom surface of rubber arc groove (274), described to turn over
Folding connecting rod (272), sector disk (273), rubber arc groove (274) are mounted on the inside of internal combustion cylinder body (275), the otic placode
Fixed seat (276) sets there are two and is snapped together by clip box block (277), a left side for the otic placode fixed seat (276)
The right side of internal combustion cylinder body (275) is tightly attached in face, and the drawing mast (271), fold connecting rod (272), fan-shaped disk (273) are in
On same vertical plane, the internal combustion cylinder body (275) is installed on the bottom of rubber tube clamping device (28).
9. a kind of railway construction machine guard rail hoisting device according to claim 4 or 8, it is characterised in that：The rubber
Pipe clamping mechanism (28) is by rotating semicircular disk (281), helical screw (282), clip groove (283), rubber column tube (284), limit
Position otic placode (285), bourdon tube (286) composition, the rotating semicircular disk (281) is nested in the left end of helical screw (282), described
Helical screw (282) inserts the left and right sides for being embedded in clip groove (283) respectively with rubber column tube (284) and axle center is conllinear, institute
State the upper and lower ends that limit otic placode (285) sets there are two and is nested in bourdon tube (286) respectively, the limit otic placode (285)
Top surface be tightly attached under the bottom surface of clip groove (283), the clip groove (283), rubber column tube (284), limit otic placode
(285) there are two being all provided with and symmetrical by the center line of bourdon tube (286), the clip groove (283) is installed on interior
The upper left corner of cylinder body (275) is fired, the left side of the clip groove (283) is flexibly connected with propulsion arm axis wheel (237).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810418919.0A CN108642981A (en) | 2018-05-04 | 2018-05-04 | A kind of railway construction machine guard rail hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810418919.0A CN108642981A (en) | 2018-05-04 | 2018-05-04 | A kind of railway construction machine guard rail hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108642981A true CN108642981A (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810418919.0A Pending CN108642981A (en) | 2018-05-04 | 2018-05-04 | A kind of railway construction machine guard rail hoisting device |
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| EA008124B1 (en) * | 2005-11-24 | 2007-04-27 | Общество с ограниченной ответственностью "ВЕСТ-ТЕР" | Catch for transporting railway rails |
| CN101725095A (en) * | 2009-11-23 | 2010-06-09 | 株洲新通铁路装备有限公司 | Railway construction machine guard rail hoisting device and rail replacing locomotive guard rail hoisting device |
| CN201678917U (en) * | 2009-11-23 | 2010-12-22 | 株洲新通铁路装备有限公司 | Jointless track fast rail replacing work vehicle |
| CN104948515A (en) * | 2015-04-30 | 2015-09-30 | 株洲时代电子技术有限公司 | Rail protection lifting device and control method implemented by hydraulic system thereof |
| CN108755299A (en) * | 2018-05-03 | 2018-11-06 | 王栋良 | A kind of railway construction machine guard rail hoisting device |
| CN208201533U (en) * | 2018-05-04 | 2018-12-07 | 南安紫鲸铃工业设计有限公司 | A kind of railway construction machine guard rail hoisting device |
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- 2018-05-04 CN CN201810418919.0A patent/CN108642981A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA008124B1 (en) * | 2005-11-24 | 2007-04-27 | Общество с ограниченной ответственностью "ВЕСТ-ТЕР" | Catch for transporting railway rails |
| CN101725095A (en) * | 2009-11-23 | 2010-06-09 | 株洲新通铁路装备有限公司 | Railway construction machine guard rail hoisting device and rail replacing locomotive guard rail hoisting device |
| CN201678917U (en) * | 2009-11-23 | 2010-12-22 | 株洲新通铁路装备有限公司 | Jointless track fast rail replacing work vehicle |
| CN104948515A (en) * | 2015-04-30 | 2015-09-30 | 株洲时代电子技术有限公司 | Rail protection lifting device and control method implemented by hydraulic system thereof |
| CN108755299A (en) * | 2018-05-03 | 2018-11-06 | 王栋良 | A kind of railway construction machine guard rail hoisting device |
| CN208201533U (en) * | 2018-05-04 | 2018-12-07 | 南安紫鲸铃工业设计有限公司 | A kind of railway construction machine guard rail hoisting device |
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Application publication date: 20181012 |