CN2218197Y - Hydraulic moving apparatus of small-size hydraulic tamping tool - Google Patents

Abstract

The utility model relates to a moving frame of a hydraulic moving apparatus of a small-size hydraulic tamping tool. Two tamping tools whose transverse movements are realized by a hooking in oil cylinder are arranged on the upper part of the moving frame, the lower part is provided with wheels hanging on rails, an oil cylinder of the wheels hanging on rails, and the control link system, and moving wheels are driven by an oil motor. A movable frame is arranged above a fixed frame of the detaching rail mechanism, the movable frame is combined with a guide groove by hanging wheel groups, the lower part of the middle of the movable frame is provided with a push and pull oil cylinder, the wire rope of a synchronization mechanism is wound through a pulley of the synchronization mechanism to form a closed state, supporting leg mechanisms are arranged at the outer sides of the fixed frame, and the near rail end of the fixed frame is provided with a rail supporting guiding frame. The running and the detaching rail mechanism are combined into integration by a push and pull carriage, and are lifted and lowered by an amplitude alterable oil cylinder, and the actions of the utility model are controlled by a hydraulic mechanism.

Description

Duct device under the traveling of light hydraulic tamping machine hydraulic pressure

The utility model is a duct device under a kind of light hydraulic tamping machine traveling that is used for the railway track maintenance work, belongs to the railway maintenance machinery technical field.

Duct device is to carry out traveling or following road operation by artificial passing under the traveling of the light hydraulic tamping machine of having applied on the railway now, this class device is to advance along the rolling of steel pipe guide rail by the following road wheel that is installed on the tamping tool underframe, and, easily tumble or the roller accident that slides down because the rise of tamping tool causes center of gravity rising unstability.When constructing in the curve location, rail tongsrail clamp card that often take place to go up the station track does not live rail head and the stuck problem of rail tongsrail clamp of station track down, and influence is road speed down, and two is that one group tamping tool operation will be operated by four-player, and therefore, overall labour productivity is low.

The purpose of this utility model provides that a kind of mechanical performance is safe and reliable, and applicability is strong, duct device under the high light hydraulic tamping machine hydraulic pressure traveling of production efficiency.

The technical solution of the utility model is made up of running mechanism, following road mechanism and hydraulic operation controlling organization three parts.On main body walking frame supporting two travelling wheels in orbit of running mechanism, travelling wheel drives by oil motor, two tamping tools are laid in the walking frame top, and live the roller of tamping tool with the race lock hanging, traversing by drawing the oil cylinder realization over to one's side, for making traveling steady, a pair of extension rail is installed below walking frame is taken turns it to hang rail or disengagement be to be to finish by hanging rail wheel oil cylinder and its control link.

The main body of following road mechanism is a fixed mount, place an adjustable shelf above it, gear changing group edge on the fixed mount hangs in the guide groove of adjustable shelf side, adjustable shelf near line Lu Yiduan is equipped with the travelling wheel that rolls on fixed mount, synchronous pulley all is equipped with in the rear and front end, below the adjustable shelf middle part push cylinder is installed, be the push-and-pull dolly above, the lazy-tongs pulley becomes closed loop shape before and after the lazy-tongs wire rope pile warp, and one of wire rope end is connected mutually with the push-and-pull dolly, and the other end then is cemented on the fixed mount.Leg mechanism is propped up in rear outside setting at fixed mount, and support rail drawing strickle guide is set at nearly rail end, make fixed mount become simple beam structure like this with two fulcrums, gravity and moment of torsion when bearing road up and down, top at fixed mount rear outside supporting leg is provided with the mechanism that falls soon, in order to the quickly retracting of control supporting leg.

The console of the multiple directional control valve of hydraulic operation controlling organization is installed on the running mechanism, and the sequence valve and the valve seat of control derricking cylinder also are installed on the running mechanism.Hydraulic control one-way valve and valve seat are directly installed on the support oil cylinder.The differential oil line control valve and the valve seat of control push cylinder are installed on the push-and-pull dolly.Control tamping tool lifting, the overflow valve of folder quarrel oil pressure and valve seat are contained on separately the tamping tool.Fuel feeding is that the hydraulic oil of two tamping tools is entered multiple directional control valve behind the one way valve interflow, and oil return divides two-way to flow back to the fuel tank of two hydraulic tamping machines through the oil return opening of multiple directional control valve.

Two of light hydraulic tamping machines are installed under the traveling of the present utility model in the road mechanism, adopt the hydraulic pressure fuel feeding and the centralized control mode at double pump interflow, make that the utility model possesses that hydraulic pressure is made firm by ramming, hydraulic pressure traveling, the upper and lower road of hydraulic pressure function.

Employing replaces the rail tongsrail clamp of former tamping tool by hydraulic operated extension rail wheel, allows and hangs the palatine that the rail wheel tangles rail head of rail, reaches stable purpose, with duct device under the traveling and be installed in tamping tool on this device and connect all the time and be integral body.

The track travelling wheel of running mechanism is driven by the oil motor direct connection, running mechanism and following road mechanism by the preceding hanger seat on push-and-pull dolly and the running mechanism, oil cylinder after being connected and the travelling wheel of push-and-pull dolly bottom of hanger seat, amplitude oil cylinder, oil cylinder piston rod end hanger, following road change gear was combined into one with being connected of following road mechanism.

By the preceding hanger pin central point of hole that is connected on the running mechanism, hanger central point behind the oil cylinder, the line of tailpiece of the piston rod hanger central point constitutes an arbitrary triangle, by changing with the oil cylinder center line is the length of the length of side, change the corner relation of arbitrary triangle, reached the effect that to descend road mechanism or running mechanism to lift or fall.

When the extension rail wheel of running mechanism was still hung rail, road mechanism rose and fell under the push-and-pull dolly drove; Throw off when hanging the rail wheel, during the support rail head jam-packed flange of rail of following road mechanism, following road mechanism combines with track, and oil cylinder spurs rising and falling of running mechanism.

The effect that designs above mechanism is: during the operation of tamping tool upper track, the oil cylinder piston bar shrinks, duct device draws 90 ° of commentaries on classics to make the push-and-pull dolly drive down, makes down each parts of road mechanism all be in vertical safe being suspended on the running mechanism in the structure clearance (straight line), shifts with running mechanism; Fall down road mechanism during following road, wait to support the rail head jam-packed flange of rail, after hydraulic leg props up tight curb, hang the rail wheel and throw off the rail palate, two tamping tools are drawn over to one's side, oil cylinder is raised up to each parts more than rail level with running mechanism (comprising hydraulic tamping machine) then, by the oil cylinder that is installed in down road mechanism, releases circuit to structure clearance; Retract on the circuit again with opposite operation sequence during upper track.

Relatively the utlity model has following advantage with duct device under the traveling that shows in the utilization:

1. having overcome duct device and hydraulic tamping machine under the existing tamping tool traveling connects the problem that lacks restraint forces vertically downward and takes turns and replaced rail tongsrail clamp with hanging rail, fundamentally overcome tamping tool and shifted easily to slide down and tumble, the curve location presss from both sides dead rail head, and these influence traffic safety and personal safety and shortcoming poor for applicability;

2. after hydraulic pressure centralized control and centralized Control are all adopted in road and upper track operation under the traveling, use manual work, alleviated labour intensity, every group only needs 1 people operation, has saved the labour, and upper and lower road speed is fast, has improved labor productivity.

Provide detailed description embodiment of the present utility model below in conjunction with accompanying drawing.

Fig. 1 is a structural configuration schematic diagram of the present utility model;

The cross-sectional schematic of Fig. 2 quick-footed mechanism that falls for the utility model props up;

Fig. 3 is a hydraulic means floor map of the present utility model.

Among the figure: 1-walking frame, 2-passive travelling wheel, 3-hang rail to take turns oil cylinder, 4-rocking arm, 5-initiatively travelling wheels, 6-tamping tool is drawn oil cylinder over to one's side, 7-preceding hanger seat, 8-amplitude oil cylinder, hanger seat behind 9-oil cylinder, 10-support rail drawing strickle guide, 11-fixed mount, 12-supporting leg repair welding seat, 13-supporting leg, 14-supporting leg fairlead, 15-the quick-footed mechanism that falls, 16-support oil cylinder, 17-gear changing group, 18-push cylinder, 19-adjustable shelf, 20-lazy-tongs wire rope, 21-lazy-tongs pulley, 22-push-and-pull dolly travelling wheel, 23-push-and-pull dolly, 24-following road change gear, 25-adjustable shelf travelling wheel, 26-fixedly tamping tools, 27-movable tamping tool, 28-driving oil motor, 29-hang the rail connecting rod, 30-hang the rail wheel, 31-soon mechanism's endosomes that fall, 32-soon mechanism's ectosomes that fall, 33-gland, 34-following stage clip, 35-baffle ring, 36-wedge, 37-side pressure spring, 38-multiple directional control valve, 39-one way valve, 40-sequence valve, 41-overflow valve, 42-hydraulic control one-way valve, 43-guide groove.

The utility model comprises running mechanism, following road mechanism and hydraulic control three parts.The main body walking frame 1 of running mechanism is two longitudinal beam structures that are parallel to each other and are connected that made by steel section bar and sheet material, tamping tool 26 places walking frame 1 a close end of road mechanism down, tamping tool 27 places the other end of walking frame 1, the travelling wheel of tamping tool 27 bottoms places in the guide groove of 1 liang of longeron inboard of walking frame, makes travelling wheel move horizontally and can not break away from along longeron; Tamping tool is drawn the end hanger of oil cylinder 6 and the hanger seat pin-connect on the walking frame 1 over to one's side, the bottom hanger seat pin-connect of its tailpiece of the piston rod hanger and tamping tool 27; The active travelling wheel 5 and the passive travelling wheel 2 of traveling in orbit is equipped with in bottom, walking frame 1 two ends, and initiatively travelling wheel is driven by the oil motor 28 that is installed on the walking frame 1; Outer side at walking frame 1 longeron, setting prevents that walking frame from lifting or the extension rail of tumbling wheel 30, hang rail wheel oil cylinder 3, Rocker arm 4; Rocker arm 4 and hang rail wheel 30 usefulness connecting rods 29 and be connected; hang the piston rod and the upper end pin-connect of Rocker arm 4 of rail wheel oil cylinder 3; hang rail wheel oil cylinder 3 and drive the Rocker arm 4s swing, take turns 30 by connecting rod 29 drive extension rails and be adjacent to or leave the rail head palatine; Amplitude oil cylinder 8, preceding hanger seat 7 and back hanger seat 9 also are equipped with in the top of walking frame 1, the termination hanger of amplitude oil cylinder 8 and hanger seat 9 pin-connects, the last pin-and-hole of its piston rod end and push-and-pull dolly 23 joins with bearing pin, and preceding hanger seat 7 joins with bearing pin with the following pin-and-hole of push-and-pull dolly 23.The main body fixed mount 11 of following road mechanism is two longitudinal beam structures that are parallel to each other and connect making with shaped steel or steel plate, in its rear outside amount of establishing leg mechanism, supporting leg 13 passes from the fairlead 14 that is welded on the supporting leg seat 12 on the fixed mount 11, the gathering sill that the quick-footed mechanism 15 that falls slides up and down is processed on the top of supporting leg seat 12 lateral surfaces, the bottom is connected fairlead 14 on the slab patch with screw, prop up the quick-footed support oil cylinder 16 that falls to connecting above the mechanism, back gear changing group 17 usefulness screws are connected on the slab patch of two longerons, two longerons are welded with the guide holder of support rail drawing strickle guide 10 near the end of circuit, the front end of support rail drawing strickle guide 10 welds a pair of support rail head, the upper shed of support rail head is consistent with section at the bottom of the rail, the hanger seat at support rail head rear portion is connected with bearing pin with the tailpiece of the piston rod hanger of push cylinder 18, two guide rails and the drawing strickle guide seat of support rail drawing strickle guide 10 fuse with screw, support rail drawing strickle guide 10 is done reciprocating action under the effect of push cylinder 19, road mechanism is blocked or thrown off rail.Fixed mount 11 is two fulcrums with support rail head and supporting leg, forms simple beam structure when finishing the operation of upper and lower road, gravity and moment of torsion when bearing upper and lower road.The wedge 36 of the quick-footed mechanism 15 that falls is pressed to baffle ring 35 in the annular groove on the supporting leg 13 with the inclined-plane under the effect of stage clip 34 down, locates locking states.When the piston rod of support oil cylinder 16 drives when moving in the mechanism 15 that falls soon, depress wedge 36, baffle ring 35 pushes away the annular groove of throwing off supporting leg 13 under the effect of two side pressure springs 37, after supporting leg 13 fell to withstanding curb by deadweight, the piston rod of support oil cylinder 16 stretched out, and drove the mechanism 15 that falls soon and moved down, after the annular groove contraposition on baffle ring 35 and the supporting leg 13, following stage clip is wedge 36 jack-up, the mechanism's locking that falls soon, and supporting leg 13 compresses curb.The mechanism's endosome 31 that falls soon is connected with ectosome 32 usefulness screws.The effect that designs the mechanism that falls soon is the stroke that shortens support oil cylinder 16, reduces the supporting leg fall time.

Adjustable shelf 19 is frame constructions that the channel-section steel steel plate is welded into.Two longeron lateral surfaces add into guide groove 43, the change gear of gear changing group 17 is in guide groove, adjustable shelf near line terminal portion weldering cantilever bearing pin is installed adjustable shelf travelling wheel 25, lazy-tongs pulley 21 is installed at inboard supporting traverse two ends, welded push cylinder 18 on the central bottom slab patch, oil cylinder hanger seat pin-connect on cylinder body end hanger and the adjustable shelf, start push cylinder 18, after drawing strickle guide 10 is pushed into support rail head jam-packed rail, promote to move behind the adjustable shelf 19, when pulley 21 rotates, power is delivered on the wire rope 20, because of fixed mount 11 is pushed to the circuit asphyxia by external pressure on the chest and abdomen, so wire rope 20 pulling push-and-pull dollies move after the same speed with the same direction of adjustable shelf, constitute lazy-tongs.Its effect is to reduce the stroke of oil cylinder 18 to reach the length of the fixed mount 11 of duct device down.

Make firm by ramming and the control of the hydraulic operation of running mechanism:

The hoist cylinder of tamping tool is by the control of the 5th valve of multiple directional control valve 38, and the MTP when the pick plate is inserted down control respectively by overflow valve 41, reaches same of tamping tool by two hoist cylinders of same valve control and falls together; The folder quarrel oil cylinder of two tamping tools is controlled respectively by the 1st valve and the 10th valve of multiple directional control valve 38, and the highest folder quarrel oil pressure is controlled respectively by overflow valve 41.The transfer of running mechanism is advanced or is retreated by multiple directional control valve 38 the 2nd joint control system oil motor 28.

The hydraulic operation control of following road mechanism:

By multiple directional control valve 38 the 6th joint control system derricking cylinder 8, oil cylinder 8 big chamber oil-feeds have designed the differential oil line of being made up of sequence valve 40 and one way valve, and effect is to accelerate the falling speed of duct device down, control simultaneously because of the deadweight of following road mechanism may cause out of control.Multiple directional control valve 38 the 7th joint control system push cylinder 18, by the big chamber differential oil line that sequence valve 40 and one way valve are formed, effect is to reduce the following road time.

Multiple directional control valve 38 the 8th, control support oil cylinder 16 after 42 of hydraulic control one-way valves prevent that machinery is parked in down in the road mechanism, forces oil cylinder from the problem that falls because of train passes through the vibration and the machinery deadweight that are caused.

Multiple directional control valve 38 the 9th joint control system is drawn oil cylinder 6 over to one's side, makes tamping tool 27 draw close or leave tamping tool 26.

Rail wheel oil cylinder 3 is hung in the control of multiple directional control valve 38 the 3rd, 4 valves, makes the change gear wheel dig the dislocation or the extension rail that resets.

The manager program in road is as follows under the hydraulic pressure:

A. handle multiple directional control valve 38 the 6th and be coupled to the position that falls, amplitude oil cylinder 8 big chamber oil-feeds, the oil return of loculus enters big chamber through sequence valve 40, and after falling to putting in place, valve rod is put the centre position.

B. handle multiple directional control valve 38 the 7th and be coupled to the position that pushes away, drawing strickle guide 10 is pushed rail to, wait to support the rail head jam-packed flange of rail after, control stick is put the centre position.

C. handle multichannel and gain valve 38 the 8th and be coupled to the position that falls soon, after supporting leg 13 fast cavings are lived curb, shift the position that falls slowly onto, supporting leg will descend duct device slightly after the jack-up, and control stick is put the centre position.

D. handle multiple directional control valve 38 the 3rd, 4 valves to disengaged position, after waiting to hang rail wheel and digging, control stick is put the centre position.

E. handle multiple directional control valve 38 the 9th curling position, tamping tool 27 draws 26 over to one's side, and control stick is put the centre position.

F. handle multiple directional control valve 38 the 6th and be coupled to and lift the position, running gear lifts, and after each parts exceeded rail level, control stick was put the centre position.

G. handle multiple directional control valve 38 the 7th and be coupled to the release location, after the traveling loading amount is pushed out circuit, be parked in outside the track clearance.Valve rod is put the centre position.

Claims (3)

1, duct device under a kind of light hydraulic tamping machine hydraulic pressure traveling that is used for the rail track maintenance, it comprises running mechanism, following road mechanism and hydraulic operation controlling organization, it is characterized in that: the walking frame (1) as the running mechanism main body is two longitudinal beam structures that are parallel to each other and are connected that made by steel section bar and sheet material, tamping tool (26) places the close end of road mechanism down of walking frame (1), tamping tool (27) places the other end of walking frame (1), the travelling wheel of tamping tool (27) bottom places in the guide groove of walking frame (1) two longeron inboard, tamping tool is drawn the end hanger of oil cylinder (6) and the hanger seat pin-connect on the walking frame (1) over to one's side, the bottom hanger seat lever pin of its tailpiece of the piston rod hanger and tamping tool (27) connects, the active travelling wheel (5) and the passive travelling wheel (2) of traveling in orbit installed in walking frame (1) bottom, two ends, initiatively travelling wheel (5) is driven by the oil motor (28) that is installed on the walking frame (1), be provided with to keep it to hang rail wheel (30) stably in the outer side of walking frame (1) longeron, hang rail wheel oil cylinder (3) and rocking arm (4); rocking arm (4) is connected with connecting rod (29) with hanging between the rail wheel; hang rail and take turns the piston rod of oil cylinder (3) and the upper end pin-connect of rocking arm (4); the termination hanger and hanger seat (9) pin-connect of the derricking cylinder (8) above the walking frame (1); the last pin-and-hole pin-connect of its piston rod end and push-and-pull dolly (23), the following pin-and-hole pin-connect of preceding hanger seat (7) and push-and-pull dolly; The main body fixed mount (11) of following road mechanism is vertical steel beam structure of two connections parallel to each other, be provided with a leg mechanism in its rear outside, back gear changing group (17) is connected on the soldering plate of two longerons with screw, two longerons are welded with the guide holder of support rail drawing strickle guide (10) near the end of circuit, the front end of drawing strickle guide (10) welds the support rail head that a pair of head opening and section at the bottom of the rail surely close mutually, the hanger seat at support rail head rear portion and the piston rod pin of push cylinder (18) are connected together, two guide rails and the drawing strickle guide seat of support rail drawing strickle guide (10) are connected as a single entity, be two the steel adjustable shelf (19) of guide groove (43) to be arranged vertically on fixed mount (11), gear changing group (17) edge on the fixed mount (11) hangs in the guide groove (43), adjustable shelf (19) near line Lu Yiduan, travelling wheel (25) is housed, lazy-tongs pulley (21) is equipped with at the two ends of medial support crossbeam, central bottom is installed push cylinder (18), oil cylinder hanger seat pin-connect on cylinder body end hanger and the adjustable shelf (19), push-and-pull dolly (23) above the adjustable shelf (19) combines with adjustable shelf by the travelling wheel (22) and the following road change gear (24) of its bottom, lazy-tongs wire rope (20) pile warp lazy-tongs pulleys (21) become closed loop shape, and one of wire rope end links to each other with push-and-pull dolly (23), and the other end then is cemented on the fixed mount (11); The sequence valve (40) and the valve seat of the console of the multiple directional control valve of hydraulic operation controlling organization (38) and control amplitude oil cylinder (8) are installed on the running mechanism, hydraulic control one-way valve (42) and valve seat are installed on the support oil cylinder (16), the differential oil line control valve (40) of control push cylinder (18) is contained on the push-and-pull dolly (23), its control lifting respectively is installed on tamping tool, the overflow valve and the valve seat of folder quarrel oil pressure, fuel feeding is that the hydraulic oil of two tamping tools is entered multiple directional control valve (38) behind one way valve (39) interflow, and oil return divides two-way to flow back to the fuel tank of tamping tool through the oil return opening of multiple directional control valve (38).

2, duct device under the tamping tool hydraulic pressure according to claim 1 traveling, it is characterized in that: the supporting leg (13) of the leg mechanism that following road mechanism rear outside is provided with passes from the fairlead (14) that is welded on the supporting leg seat (12) on the fixed mount (11), the gathering sill that fast the quick-footed mechanism (15) that falls slides is processed on the top of supporting leg seat (12) lateral surface, fairlead (14) is connected with screw on the slab patch of fixed mount (11), fall the soon top installation support oil cylinder (16) of mechanism (15) of leg.

3, duct device under the tamping tool hydraulic pressure according to claim 1 and 2 traveling, it is characterized in that: the endosome (31) of the quick-footed mechanism (15) that falls on the leg mechanism is connected as a single entity with screw with ectosome (32) and is installed on the supporting leg repair welding seat (12), endosome (31) upper end is the piston rod of support oil cylinder (16), locating near ectosome (32) is wedge (36), stage clip (34) under below it being, the outside envelope is with gland (33), baffle ring (35) is housed in the ectosome (32), side pressure spring (37) by its rear portion is pressed to wedge (36), supporting leg (13) passes in ectosome (32), matches with annular groove on the supporting leg by baffle ring (35) and realizes that it falls to supporting soon.