CN203007747U - Double-sleeper tamping device - Google Patents

Abstract

The utility model discloses a double-sleeper tamping device which comprises a box body, a vibrating shaft, an inner clamping oil cylinder, an outer clamping oil cylinder, an inner picking arm, an outer picking arm, an inner side tamping pick, an outer side tamping pick, an air cylinder, check blocks, a guide pillar, an supporting arm and oil tank assembly. The box body is at least formed through welding among a middle body, a cross beam, end plates, outer supporting bosses, stop baffles, and hanger plates. The distance between the center of an outer picking arm pin hole in the cross beam of the box body and the central line of the box body is equal to 600 mm +/- 200 mm. The supporting arm and oil tank assembly comprises a supporting arm, two oil tanks, and a flywheel guard. The check blocks are arranged between the front end of a piston rod of the outer clamping oil cylinder and a cylinder cover of the outer clamping oil cylinder. The check blocks comprise fixed check blocks and reversible check blocks. Through the utilization of check blocks of different numbers, downward inserting position and clamping travel of the outer side tamping pick can be adjusted, and operation requirements of different sleeper intervals are met. The double-sleeper tamping device is reasonable in structure, and can not only meet station track operations, but also meet main track operations.

Description

Two pillow tamping units

Technical field

The utility model relates to a kind of railway maintenance machinery tamping car, particularly the structure of relevant tamping unit.

Background technology

Tamping unit is the groundwork device of large-scale maintenance machinery tamping car.Be mainly used in making firm by ramming ballast aggregate at the bottom of the pillow of rail both sides, improve the compactness of pillow end ballast aggregate, and match with playing a track lining device, eliminate being uneven of track, strengthen the stability of track.

At present, on China's circuit, the two pillow of a large amount of DC-32, DCL-32 that use tamping car is mainly used in the tamping operation of railway main track, and the station track circuit in the railway station scope is ignored by people always, and even the part station track is long neglected and in disrepair, has become the bottleneck of Transportation Development at present.Therefore, the maintaining of carrying out the station track circuit has important practical significance.

The main distinction of station track circuit and main track circuit is the difference of sleeper type and sleeper pitch, and for tamping operation, the difference of station track circuit and main track circuit maximum is mainly that sleeper pitch broadens and inhomogeneous.During operation, the lower slot of outer pick is put nearer apart from sleeper on the station track circuit for DC-32, DCL-32 tamping unit, and the clamping stroke is inadequate, and large to the pick difficulty, tamping result is relatively poor.

China Patent No. is 201020561132.9 to disclose a kind of two pillow tamping unit, and this device can be realized vertical lower the inserting of tamping pickaxe, makes two pillow tamping units satisfy better the job requirements of III type sleeper circuit.But this tamping unit can not be suitable for the tamping operation of other various sleeper pitch circuits simultaneously.

Summary of the invention

It is a kind of rational in infrastructure that the purpose of this utility model is to provide, and has enough clamping strokes, both satisfied the station track operation, satisfies again two pillow tamping units of main track operation.

in order to achieve the above object, the technical solution of the utility model is: a kind of two pillow tamping units comprise casing, vibrating shaft, interior clamping oil cylinder, outer clamping oil cylinder, interior pick arm, outer pick arm, inboard tamping pickaxe, outside tamping pickaxe, cylinder, guide pillar and supporting arm and fuel tank assembly, described casing is at least by intermediate, crossbeam, end plate, the external support boss, baffle plate and boatswain chair are welded, be useful on the bolt hole of fixed bearing arm and fuel tank assembly on the external support boss of casing, the centre of described intermediate is useful on the vibration axis hole that vibrating shaft is installed, in the vibration axis hole, dividing plate is arranged, there are lift cylinder hole, the left side of intermediate in intermediate crown center position, there is the guide pillar hole on the right side, and the intermediate end face is provided with baffle plate and boatswain chair, and described supporting arm and fuel tank assembly comprise supporting arm, two fuel tanks and flywheel guard, two fuel tanks and supporting arm are fixed into and are integrated, flywheel guard is a circle cover plate that is welded on two fuel tanks and the supporting arm back side, supporting arm is arranged on the external support boss of casing, the outerplanar of supporting arm and fuel tank is in same plane substantially, the screwed hole that hydraulic motor is installed is arranged on supporting arm, the center of the outer pick arm pin-and-hole on the crossbeam of described casing equals 600 mm ± 20 mm to the distance of the center line of casing, is provided with block between the piston rod front end of described outer clamping oil cylinder and oil cylinder cylinder cap.

described end plate with have three kinds of technical schemes coordinating of crossbeam: the first technical scheme is: described end plate is a type end plate, described crossbeam is a type crossbeam, one type end plate and a type crossbeam are used in conjunction with, the width L of one type end plate bottom equals two inner distance between a type crossbeam, two right angles are arranged at one two ends, type end plate bottom, two faces at right angle contact with two faces of a type crossbeam respectively, one type end plate two ends are on two type crossbeams, one type end plate is the inclined-plane from top to down, top is steeper, the bottom is more smooth, outside one type crossbeam two ends, pick arm pin-and-hole position outline is circular, the outer pick arm pin-and-hole of one type crossbeam position is higher than the top outerplanar at interior pick arm pin-and-hole position, be provided with the reinforcement gusset on casing and between the bracketed part that exceeds a type end plate of a type crossbeam and a type end plate.

the second technical scheme is: described end plate is two type end plates, described crossbeam is a type crossbeam, two type end plates and a type crossbeam are used in conjunction with, the width L of two type end plate bottoms equals two inner distance between a type crossbeam, two right angles are arranged at two two ends, type end plate bottoms, two faces at right angle contact with two faces of a type crossbeam respectively, two type end plate two ends are on a type crossbeam, two type end plates are provided with two vertical sides near the position of a type crossbeam, outside one type crossbeam two ends, pick arm pin-and-hole position outline is circular, the outer pick arm pin-and-hole of one type crossbeam position is higher than the top outerplanar at interior pick arm pin-and-hole position, be provided with the reinforcement gusset on casing and between the bracketed part that exceeds two type end plates of a type crossbeam and two type end plates.

the third technical scheme is: described end plate is three type end plates, described crossbeam is two type crossbeams, three type end plates and two type crossbeams are used in conjunction with, the width L of three type end plate bottoms equals two inner distance between two type crossbeams, three type end plates also are provided with two vertical sides near the position of two type crossbeams, top is the inclined-plane, the bottom is vertical plane, width L equals the inboard spacing of two two type crossbeams, lower end surface directly with two type beam weldings, outside two type crossbeam two ends, outline top, pick arm pin-and-hole position is convex plane, two boss medial surfaces are concordant with the inner plane of three type end plates.

the cylinder body of described outer clamping oil cylinder and interior clamping oil cylinder are hinged, the piston rod of outer clamping oil cylinder and outer pick arm are hinged, described block comprises turning block, respectively there are two ears rear and front end, cylinder body top, the large earhole of turning block is hinged by two ears of pin and cylinder body front end, the little earhole of turning block is hinged by the piston rod of pin and cylinder, two ears of the cylinder body of cylinder and cylinder body rear end are hinged, the piston rod of cylinder can turn to turning block when flexible and be adjacent to the oil cylinder cylinder cap, put and the clamping stroke with the lower slot of regulating outside tamping pickaxe, the retraction of the piston rod of cylinder, can make turning block leave the oil cylinder cylinder cap.

Described block also comprises fixed stop, and fixed stop is arranged on the piston rod of outer clamping oil cylinder.

Described fuel tank comprises oil box, strainer, end cap, joint and breather plug, and strainer and end cap are fixed by screws on oil box, and the fuel tank front is equipped with oil ga(u)ge.

Described outside tamping pickaxe and inboard tamping pickaxe pick body all are flat.

The axis of the underarm of described outer pick arm equals 600 mm ± 20 mm to the center line of casing apart from a; The axis of described outside tamping pickaxe equals 590 mm ± 20 mm to the distance of the center line of casing.

Described interior pick arm has two kinds of structures, wherein a kind of tamping pickaxe connecting portion of interior pick arm mutually internally pick arm center line be arranged symmetrically with, the tamping pickaxe connecting portion of another kind of interior pick arm is internal pick arm center line asymmetric arrangement mutually, the tamping pickaxe connecting portion arranged crosswise of pick arm in two kinds, the center, hole in the tamping pickaxe hole of interior pick arm bottom is a horizontal straight line and arranges, after in the tamping pickaxe hole, tamping pickaxe being installed, all inboard tamping pickaxes are a straight line and arrange bottom interior pick arm.

Described outer pick arm has two kinds of structures, and wherein a kind of cell wall of clamping slot of outer pick arm is parallel to the axis direction of outer pick arm hinge hole, and the cell wall of the clamping slot of another outer pick arm is perpendicular to the axis direction of outer pick arm hinge hole.

The bottom of described end plate is welded with junction plate, and the two ends of junction plate are fixed with the beam welding of both sides respectively, and aperture is arranged at the dividing plate bottom in described vibration axis hole.

Described block is 1 ~ 3 fixed stop, and fixed stop is arranged on the piston rod of outer clamping oil cylinder.

The thickness of described fixed stop is identical with the thickness of turning block.

After adopting technique scheme,

1, the center of the outer pick arm pin-and-hole on the crossbeam of casing to the center line of casing equal 600 mm ± 20 mm apart from a, the axis of the underarm of outer pick arm equals 600 mm ± 20 mm to the distance of the center line of casing; The axis of outside tamping pickaxe equals 590 mm ± 20 mm to the distance of the center line of casing.

(1), tamping unit is when match line III type sleeper circuit homework (sleeper pitch is 600mm), the lower slot of outside tamping pickaxe is put the centre that substantially is in two sleepers, the lower limb degree of outside tamping pickaxe is good, convenient to pick, when inserting under tamping unit, the ballast aggregate resistance is little, tamping pickaxe clamping stroke is reasonable, satisfies job requirements;

(2), tamping unit (sleeper pitch is 658mm and 695mm) to the station track operation time, the lower limb degree of outside tamping pickaxe is less than 6 °, under tamping pickaxe, the limb degree is reasonable, it is far away that lower slot is put the pillow that leaves the right or normal track, when inserting down, the ballast aggregate resistance is little, and is convenient to pick, and the pillow situation is rested the head on and moved to difficult hitting; The clamping stroke is greater than 130mm, and stroke is enough;

(3), tamping unit when match line II type sleeper circuit homework (sleeper pitch is 568mm and 540mm), the lower limb degree of outside tamping pickaxe is less than 2 °, angle is better, lower slotting resistance is little; When inserting down, tamping pickaxe is suitable from both sides pitch of sleepers clutch, and the pillow situation is rested the head on and moved to difficult hitting; The clamping stroke satisfies instructions for use greater than 110mm;

(4), satisfy the car load instructions for use of DC-32C tamping car.The framework of tamping unit is installed due to tamping car is set, the installing space of leaving tamping unit for is limited, and under the prerequisite of the unit replacement that does not affect tamping unit and component maintenance, this structure has maximally utilised installing space.

2, adopt the body structure of technique scheme, one type end plate, two type end plates and a type crossbeam are used in conjunction with, the end plate two ends are on two crossbeams, weld seam is long, intensity is high, be provided with the reinforcement gusset between the bracketed part that exceeds a type end plate, two type end plates of a type crossbeam and a type end plate, two types, improve the intensity of bracketed part, wherein: a type end plate is the inclined-plane from top to down, and intensity is high; Two type end plates are provided with two vertical sides near the position of crossbeam, are convenient to the field maintenance of tamping unit, particularly the mounting or dismounting of inner cylinder piston-rod assembly.

The structure that three type end plates and two type crossbeams are used in conjunction with, three type end plate bottoms are vertical side, outside two type crossbeam two ends, outline top, pick arm pin-and-hole position is convex plane, tip plate configurations is simple, weld seam is few, can under the bulk strength prerequisite that guarantees casing, be conducive to the field maintenance of tamping unit, particularly the mounting or dismounting of inner cylinder piston-rod assembly.

The bottom of end plate is welded with junction plate, and the two ends of junction plate are fixed with the beam welding of both sides respectively, and this junction plate mainly plays reinforcing rib.

The boss in the casing outside is used for the mounting support arm, by connecting bolt and positioning bolt, supporting arm is fixed on casing; Dividing plate in casing centre vibration axis hole, its effect are the churning losses when reducing the vibrating shaft High Rotation Speed; Dividing plate bottom has aperture, be mainly to prevent under specific circumstances, because of oil level too low, the oil starvation situation that dividing plate one side may occur; The baffle plate of box top mainly plays a part spacing in tamping unit fulfils assignment the process of upwards mentioning; Installing hole on the boatswain chair of top when not operation of tamping unit, connects with framework by bearing pin.

3, on the piston rod of outer oil cylinder, fixed stop is installed, is used for for different sleeper pitches, regulate insertion position and the clamping stroke of outside tamping pickaxe.Can use 1, also can 2 ~ 3 uses simultaneously.

Cylinder and the turning block that install on cylinder body top, the same with fixed stop, work insertion position and the effect of clamping stroke of regulating outside tamping pickaxe.Difference is, turning block need not by manually-operated, to the effect of cylinder, block is turned on piston rod by pneumatic system, satisfies the job requirements than narrow gauge pillow spacing.

4, the supporting arm of technique scheme and Oiltank structure, be welded with steel plate on oil box, the supporting arm top is welded with steel plate, fuel tank and supporting arm become one by Bolt Connection, positioning bolt hole and connecting bolt hole are arranged at the supporting arm bottom, be arranged on by positioning bolt and connecting bolt on the outside boss of casing, supporting arm and fuel tank outerplanar are in same plane substantially, 4 screwed holes are arranged on the supporting arm upper plane, be used for installing hydraulic motor, on the fuel tank outerplanar, oil ga(u)ge is installed, the steel plate that welds on fuel tank and supporting arm plays protective action when flywheel rotates.

5, the fuel tank of technique scheme connects firmly, and end cap should not come off, long service life, and good seal performance has guaranteed the cleannes of lubrication oil.

6, the interior pick arm of technique scheme, left and right interior pick arm bottom arranged crosswise, the center, hole on interior pick arm bottom surface is a horizontal straight line and arranges, this structure makes the tamping pickaxe that is arranged in the hole, and a horizontal straight line is arranged and do not collided, and this tamping pickaxe is straight shape pick, intensity is high, and force-bearing situation is good.

7, the patent No. is: the outer pick arm of ZL201120091828.4, this structure can effectively improve the force-bearing situation at place, tamping pickaxe hole, avoid the reinforcing rib place to crack, thus the application life of improving the pick arm; In addition, along the clamp structure that tamping pickaxe axially bored line direction is arranged, can also alleviate the machining deformation that place, tamping pickaxe hole produces.

The utility model is rational in infrastructure, can for various different sleeper pitches, to fixed stop and turning block any combination, satisfy the job requirements of tamping unit.

Description of drawings

The embodiment that provides below in conjunction with accompanying drawing is described in further detail the utility model.

Fig. 1 is the DC-32C tamping unit of prior art and the graph of a relation (front view) of station track;

Fig. 2 is the structural representation of two pillow tamping units of the present utility model;

Fig. 3 is the left view of Fig. 2;

Fig. 4 is the structural representation of casing of the present utility model;

Fig. 5 is the left view of Fig. 4;

Fig. 6,7,8 is respectively the structural representation of three kinds of end plates of the present utility model;

Fig. 9,10 is respectively the structural representation of two kinds of crossbeams of the present utility model;

Figure 11,12 is respectively the structural upright schematic diagram of pick arm in two kinds of the present utility model;

Figure 13 is the face upwarding stereogram that inboard tamping pickaxe has been installed in interior pick arm bottom;

Figure 14,15 is respectively the structural upright schematic diagram of two kinds of outer pick arms of the present utility model;

Figure 16 is the structural representation of supporting arm of the present utility model and fuel tank assembly;

Figure 17 is the connection diagram of the external support boss of supporting arm in Figure 16 and casing;

Figure 18 is the structural upright schematic diagram of Figure 16;

Figure 19 is the structural representation of the fuel tank in Figure 16;

Figure 20 is the annexation figure of outer clamping oil cylinder of the present utility model and cylinder, turning block;

Figure 21,22,23,24,25 is respectively that invention uses different block combinations to the schematic diagram of the circuit homework of different sleeper pitches.

The specific embodiment

As shown in Figure 1, the DC-32C tamping unit of prior art comprises casing 1, vibrating shaft 2, interior clamping oil cylinder 3, outer clamping oil cylinder 4, interior pick arm 5, outer pick arm 6, inboard tamping pickaxe 7, outside tamping pickaxe 8, cylinder 9, block 10, guide pillar 11, supporting arm and fuel tank 12.During 2 rotation of fluid motor-driven vibrating shaft, its eccentric part produces eccentric motion, by interior clamping oil cylinder 3, outer clamping oil cylinder 4, interior pick arm 5, outer pick arm 6, pass to inboard tamping pickaxe 7, outside tamping pickaxe 8, the pick palm of inboard tamping pickaxe 7, outside tamping pickaxe 8 is produced forces micro breadth oscillation.Chucking power is produced by the effect of the internal clamping oil cylinder 3 of hydraulic system, outer clamping oil cylinder 4, chucking power and move through the piston rod of interior clamping oil cylinder 3 and outer clamping oil cylinder 4, interior pick arm 5, outer pick arm 6, inboard tamping pickaxe 7, outside tamping pickaxe 8 and transmit, the final pick palm that arrives produces clamping movement and chucking power to ballast aggregate.

As shown in Figure 1, the sleeper pitch of station track is 658mm and 695mm, when inserting under tamping unit, the insertion point inboard sleeper of deflection of outside tamping pickaxe 1 is more, the clamping stroke is short, tamping unit clamping stroke can not satisfy basic demand, easily hit pillow and move the pillow phenomenon, so the DC-32C tamping unit can not satisfy the tamping operation of station track.

as shown in Fig. 2 ~ 5, two pillow tamping units of the present utility model comprise casing 13, vibrating shaft 14, interior clamping oil cylinder 15, outer clamping oil cylinder 16, interior pick arm 17, outer pick arm 18, inboard tamping pickaxe 19, outside tamping pickaxe 20, cylinder 21, guide pillar 23 and supporting arm and fuel tank assembly 24, described casing 13 is at least by intermediate 13-1, crossbeam 13-2, end plate 13-3, external support boss 13-4, baffle plate 13-5 and boatswain chair 13-6 are welded, be useful on the bolt hole 13-4-1 of fixed bearing arm and fuel tank assembly 24 on the external support boss 13-4 of casing 13, the centre of described intermediate 13-1 is useful on the vibration axis hole 13-1-1 that vibrating shaft 14 is installed, in vibration axis hole 13-1-1, dividing plate 13-1-2 is arranged, there are lift cylinder hole 13-1-3, the left side of intermediate 13-1 in intermediate 13-1 crown center position, there is guide pillar hole 13-1-4 on the right side, intermediate 13-1 end face is provided with baffle plate 13-5 and boatswain chair 13-6, the center of outer pick arm pin-and-hole 13-2-1 on the crossbeam 13-2 of described casing 13 equals 600 mm ± 20 mm to the distance of the center line 25 of casing 13, is provided with block between the piston rod 16-2 front end of described outer clamping oil cylinder 16 and oil cylinder cylinder cap 16-3.

As shown in Figure 5, the bottom of described end plate 13-3 is welded with junction plate 13-8, and the two ends of junction plate 13-8 are welded and fixed with the crossbeam 13-2 of both sides respectively.This junction plate 13-8 mainly plays reinforcing rib.As shown in Figure 4, aperture 13-1-2-1 is arranged at the bottom of the dividing plate 13-1-2 in described vibration axis hole 13-1-1.

As shown in Figure 2, the axis of the underarm 18-2 of described outer pick arm 18 equals 600 mm ± 20 mm to the distance of the center line 25 of casing 13; The axis 20-1 of described outside tamping pickaxe 20 equals 590 mm ± 20 mm to the distance of the center line 25 of casing 13.The pick body 19-1 of the pick body 20-2 of described outside tamping pickaxe 20 and inboard tamping pickaxe 19 all is flat.

As shown in Fig. 6,7,8, end plate 13-3 can adopt end plate 13-3a, 13-3b, the 13-3c of three kinds of structures; As shown in Fig. 9,10, crossbeam 13-2 can adopt crossbeam 13-2a, the 13-2b of two kinds of structures.End plate with have three kinds of schemes coordinating of crossbeam: end plate 13-3a and crossbeam 13-2a are used in conjunction with; End plate 13-3b and crossbeam 13-2a are used in conjunction with; End plate 13-3c and crossbeam 13-2b are used in conjunction with.As shown in Fig. 6,7,8, the width L of end plate 13-3a, 13-3b, 13-3c bottom equals the inner distance between two crossbeams, in Fig. 6, Fig. 7, all there are two right angle 13-3a-2,13-3b-2 in end plate 13-3a, two ends, 13-3b bottom, two faces at right angle contact with two faces of crossbeam 13-2a respectively, and end plate two ends are on two crossbeams, and wherein the end plate 13-3a in Fig. 6 is the inclined-plane from top to down, top is steeper, and bottom 13-3a-1 is more smooth; End plate 13-3b in Fig. 7 is provided with two vertical side 13-3b-1 near the position of crossbeam, and the upper and lower structure is identical with Fig. 6; Fig. 8 end plates also is provided with two vertical sides near the position of crossbeam, and top is the inclined-plane, and is identical with Fig. 6, but bottom 13-3c-1 be also vertical plane, and width L equals the inboard spacing of two crossbeams, the direct and beam welding of lower end surface 13-3c-2.

As shown in Figure 9, outside crossbeam 13-2a two ends, pick arm pin-and-hole position outline 13-2a-1 is circular, and the outer pick arm pin-and-hole position 13-2a-1 of this crossbeam is higher than the top outerplanar 13-2a-2 at interior pick arm pin-and-hole position; As shown in figure 10, outside crossbeam 13-2b two ends, outline top, pick arm pin-and-hole position is convex plane 13-2b-1, and the inner plane 13-3c-2 of the end plate 13-3c in two boss medial surface 13-2b-2 and Fig. 8 is concordant.

The casing that end plate 13-3a, 13-3b and crossbeam 13-2a are used in conjunction with is provided with between the bracketed part that exceeds end plate 13-3a, 13-3b of crossbeam 13-2a and end plate 13-3a, 13-3b and strengthens gusset 13-7(and see Fig. 4).

As shown in Figure 16,17,18, described supporting arm and fuel tank assembly 24 comprise supporting arm 24-1, two fuel tank 24-2 and flywheel guard 24-3, two fuel tank 24-2 and supporting arm 24-1 are fixed into and are integrated, flywheel guard 24-3 is a circle cover plate that is welded on two fuel tank 24-2 and the supporting arm 24-1 back side, supporting arm 24-1 is arranged on the external support boss 13-4 of casing 13, the outerplanar of supporting arm 24-1 and fuel tank 24-2 is in same plane substantially, and the screwed hole 24-1-1 that hydraulic motor is installed is arranged on supporting arm 24-1.

as Figure 20, shown in 21, the cylinder body 16-1 of described outer clamping oil cylinder 16 and interior clamping oil cylinder 15 are hinged, the piston rod 16-2 of outer clamping oil cylinder 16 and outer pick arm 18 are hinged, described block comprises turning block 22, respectively there are two ear 16-1-1 rear and front end, cylinder body 16-1 top, the large earhole 22-1 of turning block 22 is hinged by two ear 16-1-1 of pin 22-3 and cylinder body 16-1 front end, the microtia hole 22-2 of turning block 22 is hinged by the piston rod 21-1 of pin 22-4 and cylinder 21, the cylinder body of cylinder 21 is hinged by two ear 16-1-1 of pin 21-2 and cylinder body 16-1 rear end, the piston rod 21-1 of cylinder 21 can turn to turning block 22 when flexible and be adjacent to oil cylinder cylinder cap 16-3, put and the clamping stroke with the lower slot of regulating outside tamping pickaxe 20, the retraction of the piston rod 21-1 of cylinder 21, can make turning block 22 leave oil cylinder cylinder cap 16-3.This structure need not artificial mounting or dismounting, and is easy to use.

As shown in Figure 19,16, described fuel tank 24-2 comprises oil box 24-2-1, strainer 24-2-2, end cap 24-2-3, joint 24-2-4 and breather plug 24-2-5, strainer 24-2-2 and end cap 24-2-3 are fixed by screws on oil box 24-2-1, and fuel tank 24-2 front is equipped with oil ga(u)ge 24-2-6.

As shown in Figure 11,12,13, described interior pick arm 17 has two kinds of structures, wherein a kind of tamping pickaxe connecting portion of interior pick arm 17 mutually internally pick arm 17 center lines be arranged symmetrically with, the tamping pickaxe connecting portion of another kind of interior pick arm 17 is internal pick arm 17 center line asymmetric arrangement mutually, the tamping pickaxe connecting portion arranged crosswise of pick arm 17 in two kinds, the center, hole of the tamping pickaxe hole 17-1 of interior pick arm 17 bottoms is a horizontal straight line and arranges, inboard tamping pickaxe 19 pick bodies are substantially straight, after being arranged in the tamping pickaxe hole 17-1 of interior pick arm 17, all inboard tamping pickaxes 19 are a straight line in interior pick arm 17 bottoms and arrange.

As shown in Figure 14,15, described outer pick arm 18 has two kinds of structures, wherein a kind of cell wall of clamping slot of outer pick arm 18 is parallel to the axis direction (seeing Figure 14) of outer pick arm 18 hinge holes, and the cell wall of the clamping slot of another outer pick arm 18 is perpendicular to the axis direction (seeing Figure 15) of outer pick arm 18 hinge holes.

as Figure 20, shown in 21, the center of outer pick arm pin-and-hole 13-2-1 on the crossbeam 13-2 of casing 13 is set as 600 mm to the center line 25 of casing 13 apart from a, the thickness setting of fixed stop 26 is 25mm, the turning block 22 thickness b on the piston rod 16-2 of clamping oil cylinder 16 outside also is set as 25mm, at II type sleeper, sleeper pitch is on the station track of 658mm during operation, be fixed with 1 fixed stop 26 on the piston rod 16-2 of outer clamping oil cylinder 16, the lower limb degree of outside tamping pickaxe 20 is 5.6 °, this moment, the pick point was about 160mm apart from the distance of sleeper, the lower slot of outside tamping pickaxe 20 is put and substantially is in the middle of two sleepers, it is suitable that lower slot is put with angle, satisfy the instructions for use of tamping unit.

In actual use, can remove fixed stop 26, directly use turning block 22, turning block 22 can exchange with fixed stop 26.

As shown in figure 22, set a=600 mm, tamping unit of the present utility model is on the station track of 695mm during operation at II type sleeper, sleeper pitch, 1 fixed stop 26 is arranged on the piston rod 16-2 of outer clamping oil cylinder 16, and the lower limb degree of outside tamping pickaxe 20 is 5.6 °, and this moment, the pick point was about 140mm apart from the distance of sleeper, the clamping stroke is enough, although lower slot is put near inboard, but still within zone of reasonableness, can satisfy the job requirements of tamping unit.

In actual use, can remove fixed stop 26 equally, directly use turning block 22.

As shown in figure 23, a=600 mm, tamping unit is on the main track of 600mm during operation at III type sleeper, sleeper pitch, 2 fixed stops 26 are arranged on the piston rod 16-2 of outer clamping oil cylinder 16, basic vertical lower the inserting of outside tamping pickaxe 20, lower slot are put substantially in the middle of two sleepers, and the pick point is about 130mm apart from the distance of sleeper, the job position of outside tamping pickaxe 20 is good, and the tamping unit operation effectiveness is good.

In actual use, can use 1 fixed stop 26,1 turning block 22, also can use 2 fixed stops 26.

As shown in figure 24, a=600 mm, tamping unit is on the main track of 568mm during operation at II type sleeper, sleeper pitch, use a fixed stop 26 and a turning block 22 (also can use simultaneously 2 fixed stops 26), basic vertical lower the inserting of outside tamping pickaxe 20, the pick point is about 150mm apart from the distance of sleeper, although lower slot is put near the outside, but the distance of outside tamping pickaxe 20 and outside sleeper is still within zone of reasonableness, the pillow phenomenon can be do not hit, the job requirements of tamping unit can be satisfied.

As shown in figure 25, a=600 mm, tamping unit is on the main track of 540mm during operation at II type sleeper, sleeper pitch, use 2 fixed stops 26 and 1 turning block 22, the lower limb degree of outside tamping pickaxe 20 is about-2 °, the pick point is about 110mm apart from the distance of sleeper, and lower limb degree is negative angle, but angle is little; Though lower slot is put slightly near inboard, still within zone of reasonableness, can not hit the pillow phenomenon with the distance of outside sleeper, therefore can satisfy the job requirements of tamping unit.

Adopt 22 identical schemes of thickness of fixed stop 26 and turning block, can facilitate the user freely to select, generally adopt 1 ~ 3 fixed stop 26, fixed stop 26 is not fragile, and reliability is high, but needs mounting or dismounting; Turning block 22 is directly installed on outer clamping oil cylinder 16, need not mounting or dismounting, but cost is high, to operating personnel require highly, when need using turning block 22, cylinder piston rod 16-2 is all stretched out turning block 22 is fallen, otherwise may cause turning block 22 collision piston rod 16-2 and damage, in addition, cylinder 21 and turning block 22 also easily damage in the dither process, and maintenance cost is high.

Claims (14)

1. rest the head on tamping unit for one kind pair, comprise casing (13), vibrating shaft (14), interior clamping oil cylinder (15), outer clamping oil cylinder (16), interior pick arm (17), outer pick arm (18), inboard tamping pickaxe (19), outside tamping pickaxe (20), cylinder (21), guide pillar (23) and supporting arm and fuel tank assembly (24), it is characterized in that:

a, described casing (13) is at least by intermediate (13-1), crossbeam (13-2), end plate (13-3), external support boss (13-4), baffle plate (13-5) and boatswain chair (13-6) are welded, be useful on the bolt hole (13-4-1) of fixed bearing arm and fuel tank assembly (24) on the external support boss (13-4) of casing (13), the centre of described intermediate (13-1) is useful on the vibration axis hole (13-1-1) that vibrating shaft (14) is installed, in vibration axis hole (13-1-1), dividing plate (13-1-2) is arranged, there is lift cylinder hole (13-1-3) at intermediate (13-1) crown center position, the left side of intermediate (13-1), there is guide pillar hole (13-1-4) on the right side, intermediate (13-1) end face is provided with baffle plate (13-5) and boatswain chair (13-6),

b, described supporting arm and fuel tank assembly (24) comprise supporting arm (24-1), two fuel tanks (24-2) and flywheel guard (24-3), two fuel tanks (24-2) are fixed into supporting arm (24-1) and are integrated, flywheel guard (24-3) encloses cover plate for being welded on one of two fuel tanks (24-2) and supporting arm (24-1) back side, supporting arm (24-1) is arranged on the external support boss (13-4) of casing (13), the outerplanar of supporting arm (24-1) and fuel tank (24-2) is in same plane substantially, the screwed hole (24-1-1) that hydraulic motor is installed is arranged on supporting arm (24-1),

The center of the outer pick arm pin-and-hole (13-2-1) on the crossbeam (13-2) of c, described casing (13) equals 600 mm ± 20 mm to the distance of the center line (25) of casing (13),

Be provided with block between piston rod (16-2) front end of d, described outer clamping oil cylinder (16) and oil cylinder cylinder cap (16-3).

2. rest the head on tamping unit for according to claim 1 pair, it is characterized in that: described end plate (13-3) is a type end plate (13-3a), described crossbeam (13-2) is a type crossbeam (13-2a), one type end plate (13-3a) is used in conjunction with a type crossbeam (13-2a), the width L of one type end plate (13-3a) bottom equals two inner distance between a type crossbeam (13-2a), there are two right angles (13-3a-2) at one type end plate (13-3a) two ends, bottom, two faces at right angle (13-3a-2) contact with two faces of a type crossbeam (13-2a) respectively, one type end plate (13-3a) two ends are on two type crossbeams (13-2a), one type end plate (13-3a) is the inclined-plane from top to down, top is steeper, (13-3a-1) is more smooth in the bottom, outside one type crossbeam (13-2a) two ends, pick arm pin-and-hole position outline (13-2a-1) is circular, the outer pick arm pin-and-hole position (13-2a-1) of one type crossbeam is higher than the top outerplanar (13-2a-2) at interior pick arm pin-and-hole position, upper and be positioned to be provided with between the bracketed part that exceeds a type end plate (13-3a) of a type crossbeam (13-2a) and a type end plate (13-3a) and strengthen gusset (13-7) at casing (13).

3. rest the head on tamping unit for according to claim 1 pair, it is characterized in that: described end plate (13-3) is two type end plates (13-3b), described crossbeam (13-2) is a type crossbeam (13-2a), two type end plates (13-3b) are used in conjunction with a type crossbeam (13-2a), the width L of two type end plate (13-3b) bottoms equals two inner distance between a type crossbeam (13-2a), there are two right angles (13-3b-2) at two type end plate (13-3b) two ends, bottom, two faces at right angle contact with two faces of a type crossbeam (13-2a) respectively, two type end plate (13-3b) two ends are on a type crossbeam (13-2a), two type end plates (13-3b) are provided with two vertical sides (13-3b-1) near the position of a type crossbeam (13-2a), outside one type crossbeam (13-2a) two ends, pick arm pin-and-hole position outline (13-2a-1) is circular, the outer pick arm pin-and-hole position (13-2a-1) of one type crossbeam is higher than the top outerplanar (13-2a-2) at interior pick arm pin-and-hole position, upper and be positioned to be provided with between the bracketed part that exceeds two type end plates (13-3b) of a type crossbeam (13-2a) and two type end plates (13-3b) and strengthen gusset (13-7) at casing (13).

4. rest the head on tamping unit for according to claim 1 pair, it is characterized in that: described end plate (13-3) is three type end plates (13-3c), described crossbeam (13-2) is two type crossbeams (13-2b), three type end plates (13-3c) are used in conjunction with two type crossbeams (13-2b), the width L of three type end plate (13-3c) bottoms equals two inner distance between two type crossbeams (13-2b), three type end plates (13-3c) also are provided with two vertical sides near the position of two type crossbeams (13-2b), top is the inclined-plane, bottom (13-3c-1) is vertical plane, width L equals the inboard spacing of two two type crossbeams (13-2b), lower end surface (13-3c-2) is directly welded with two type crossbeams (13-2b), outside two type crossbeam (13-2b) two ends, outline top, pick arm pin-and-hole position is convex plane (13-2b-1), two boss medial surfaces (13-2b-2) are concordant with the inner plane (13-3c-2) of three type end plates (13-3c).

5. rest the head on tamping unit for according to claim 1 pair, it is characterized in that: the cylinder body (16-1) of described outer clamping oil cylinder (16) is hinged with interior clamping oil cylinder (15), the piston rod (16-2) of outer clamping oil cylinder (16) is hinged with outer pick arm (18), described block comprises turning block (22), respectively there are two ears (16-1-1) cylinder body (16-1) rear and front end, top, the large earhole (22-1) of turning block (22) is hinged with two ears (16-1-1) of cylinder body (16-1) front end by pin (22-3), the little earhole (22-2) of turning block (22) is hinged with the piston rod (21-1) of cylinder (21) by pin (22-4), the cylinder body of cylinder (21) is hinged with two ears (16-1-1) of cylinder body (16-1) rear end by pin (21-2), the piston rod (21-1) of cylinder (21) can turn to turning block (22) when flexible and be adjacent to oil cylinder cylinder cap (16-3), put and the clamping stroke with the lower slot of regulating outside tamping pickaxe (20), the retraction of the piston rod (21-1) of cylinder (21), can make turning block (22) leave oil cylinder cylinder cap (16-3).

6. rest the head on tamping unit for according to claim 1 pair, it is characterized in that: described block also comprises fixed stop (26), and fixed stop (26) is arranged on the piston rod (16-2) of outer clamping oil cylinder (16).

7. rest the head on tamping unit for according to claim 1 pair, it is characterized in that: described fuel tank (24-2) comprises oil box (24-2-1), strainer (24-2-2), end cap (24-2-3), joint (24-2-4) and breather plug (24-2-5), strainer (24-2-2) and end cap (24-2-3) are fixed by screws on oil box (24-2-1), and fuel tank (24-2) front is equipped with oil ga(u)ge (24-2-6).

8. rest the head on tamping unit for according to claim 1 pair, it is characterized in that: the pick body (20-2) of described outside tamping pickaxe (20) and the pick body (19-1) of inboard tamping pickaxe (19) all are flat.

9. two pillow tamping unit according to claim 1 is characterized in that: the axis of the underarm (18-2) of described outer pick arm (18) equals 600 mm ± 20 mm to the center line (25) of casing (13) apart from a; The axis (20-1) of described outside tamping pickaxe (20) equals 590 mm ± 20 mm to the distance of the center line (25) of casing (13).

10. rest the head on tamping unit for according to claim 1 pair, it is characterized in that: described interior pick arm (17) has two kinds of structures, wherein the tamping pickaxe connecting portion of a kind of interior pick arm (17) mutually internally pick arm (17) center line be arranged symmetrically with, the tamping pickaxe connecting portion of another kind of interior pick arm (17) is internal pick arm (17) center line asymmetric arrangement mutually, the tamping pickaxe connecting portion arranged crosswise of pick arm (17) in two kinds, the center, hole in the tamping pickaxe hole (17-1) of interior pick arm (17) bottom is a horizontal straight line and arranges, after in the tamping pickaxe hole of interior pick arm (17) (17-1), inboard tamping pickaxe (19) being installed, all inboard tamping pickaxes (19) are a straight line and arrange bottom interior pick arm (17).

11. two pillow tamping unit according to claim 1, it is characterized in that: described outer pick arm (18) has two kinds of structures, wherein the cell wall of the clamping slot of a kind of outer pick arm (18) is parallel to the axis direction of outer pick arm (18) hinge hole, and the cell wall of the clamping slot of another outer pick arm (18) is perpendicular to the axis direction of outer pick arm (18) hinge hole.

12. two pillow tamping unit according to claim 1, it is characterized in that: the bottom of described end plate (13-3) is welded with junction plate (13-8), the two ends of junction plate (13-8) are welded and fixed with the crossbeam (13-2) of both sides respectively, and aperture (13-1-2-1) is arranged at dividing plate (13-1-2) bottom in described vibration axis hole (13-1-1).

13. two pillow tamping unit according to claim 1, it is characterized in that: described block is 1 ~ 3 fixed stop (26), and fixed stop (26) is arranged on the piston rod (16-2) of outer clamping oil cylinder (16).

14. two pillow tamping unit according to claim 6, it is characterized in that: the thickness of described fixed stop (26) is identical with the thickness of turning block (22).

Images