阅读说明：本技术 一种多板下压式轨道捣固装置 (Multi-plate downward-pressing type track tamping device ) 是由 不公告发明人 于 2021-09-03 设计创作，主要内容包括：本发明专利公开了一种多板下压式轨道捣固装置,包括支撑结构、捣固结构和下压结构,支撑结构设于捣固结构的两侧,下压结构设于捣固结构的顶端中心位置,下压结构的中心位置设有导向结构,支撑结构的底端两侧底端均设有支撑底架,支撑结构设有倒U形弹力支撑架,倒U形弹力支撑架远离捣固结构的一侧底端活动套设有支撑限位筒,支撑限位筒的底端中心位置设有第一复位弹簧。有益效果：能够推动导向支撑柱进行向下运动,能够使捣固支撑壳稳定下降,能够减小第一夹紧臂和第二夹紧臂的下降阻力,能够使收紧底脚进行相对旋转,从而使砂石填充到枕底,能够使收紧底脚自动复位,同时受到第一复位弹簧的推力,使捣固支撑壳整体上移,完成轨道的捣固工作。(The invention discloses a multi-plate down-pressing type track tamping device which comprises a supporting structure, a tamping structure and a down-pressing structure, wherein the supporting structure is arranged on two sides of the tamping structure, the down-pressing structure is arranged at the center position of the top end of the tamping structure, a guide structure is arranged at the center position of the down-pressing structure, supporting bottom frames are arranged at the bottom ends of two sides of the bottom end of the supporting structure, the supporting structure is provided with an inverted U-shaped elastic supporting frame, a supporting limiting barrel is movably sleeved at the bottom end of one side, far away from the tamping structure, of the inverted U-shaped elastic supporting frame, and a first reset spring is arranged at the center position of the bottom end of the supporting limiting barrel. Has the advantages that: can promote the guide support post and carry out the downstream, can make to smash the firm supporting shell steady decline, can reduce the decline resistance that first presss from both sides tight arm and second and press from both sides tight arm, can make and tighten up the footing and carry out relative rotation to make the grit fill the pillow bottom, can make and tighten up footing automatic re-setting, receive first reset spring's thrust simultaneously, make to smash the firm supporting shell and move on the whole, accomplish orbital firm by ramming work.)

1. The utility model provides a multi-plate pushes down formula track tamping device, its characterized in that, includes bearing structure (1), tamping structure (2) and pushes down structure (3), bearing structure (1) is located the both sides of tamping structure (2), push down structure (3) are located the top central point of tamping structure (2) puts, the central point of pushing down structure (3) puts and is equipped with guide structure (4), the bottom both sides bottom of bearing structure (1) all is equipped with support chassis (5).

2. The multi-plate down-pressing type track tamping device according to claim 1, wherein the supporting structure (1) is provided with an inverted U-shaped elastic supporting frame (6), a bottom end of one side of the inverted U-shaped elastic supporting frame (6) far away from the tamping structure (2) is movably sleeved with a supporting limiting cylinder (7), a bottom center position of the supporting limiting cylinder (7) is provided with a first return spring, a bottom of one side of the inverted U-shaped elastic supporting frame (6) is fixedly connected with a top end of the first return spring, one side of the supporting limiting cylinder (7) close to the tamping structure (2) is provided with a limiting supporting groove, a supporting stabilizing cross bar (8) is movably clamped in the limiting supporting groove, the other end of the supporting stabilizing cross bar (8) is fixedly connected with a center position of one side of the inverted U-shaped elastic supporting frame (6), and a side center position of one side of the inverted U-shaped elastic supporting frame (6) close to the tamping structure (2) is provided with a side supporting stabilizing cross bar (8) A supporting cross frame (9).

3. The multi-plate down-pressing type track tamping device according to claim 1, wherein the tamping structure (2) is provided with a tamping supporting shell (10), the side supporting cross frame (9) is fixedly connected with the tamping supporting shell (10), an extrusion touch structure (11) is arranged at the center of the top end of the tamping supporting shell (10), the two sides of the top end of the tamping supporting shell (10) are provided with down-pressing bearing columns (12), the extrusion touch structure (11) is inserted into the center of the top end of the tamping supporting shell (10), the extrusion touch structure (11) is provided with a touch cross plate (13), the top ends of the two sides of the touch cross plate (13) are respectively provided with a first touch inclined wall (14), the top end of the touch cross plate (13) is movably arranged at the top end of the tamping supporting shell (10), the two sides of the bottom end of the touch cross plate (13) are respectively provided with a plurality of touch extrusion rods (15), the touch extrusion rod (15) is movably inserted into the top end of the tamping supporting shell (10), and an extrusion conical head (16) is arranged at the bottom end of the touch extrusion rod (15).

4. The multi-plate down-pressing type track tamping device according to claim 1, wherein a first supporting cross bar (17) and a second supporting cross bar (18) are respectively arranged at the bottom ends of two sides of the tamping supporting shell (10) from top to bottom, two ends of the first supporting cross bar (17) and the second supporting cross bar (18) are fixedly connected with the bottom end of one side of the inverted U-shaped elastic supporting frame (6), a plurality of clamping structures (19) are uniformly inserted into the first supporting cross bar (17) and the second supporting cross bar (18), and a second return spring (20) is arranged between the clamping structures (19).

5. The multi-plate down-pressing type track tamping device according to claim 1, wherein the clamping structure (19) is provided with a first clamping arm (21) and a second clamping arm (22), the first clamping arm (21) and the second clamping arm (22) are symmetrically arranged, the first clamping arm (21) and the second clamping arm (22) have the same structure, a clamping straight rod (23) is arranged at the top of the first clamping arm (21), the center position of the clamping straight rod (23) is movably inserted on the first supporting cross rod (17), a clamping contact moving shaft (24) is arranged on one side of the top end of the clamping straight rod (23), a first tightening (25) is arranged at the center position of the clamping contact moving shaft (24), the extrusion cone head (16) is movably clamped between the clamping contact moving shafts (24), and an anti-slip rubber elastic sleeve (26) is sleeved on the side wall of the clamping contact moving shaft (24), the bottom of pressing from both sides tight straight-bar (23) is equipped with and presss from both sides tight crank arm (27), the top of pressing from both sides tight crank arm (27) is equipped with rotation support shaft (28), first press from both sides tight arm (21) with second presss from both sides tight arm (22) and passes through rotation support shaft (28) swing joint, the bottom activity that presss from both sides tight crank arm (27) is equipped with tightens up footing (29), the top activity of tightening up footing (29) is equipped with second and tightens up clockwork spring (30), the top that the second clockwork spring tightened up (30) with the bottom fixed connection that first tightens up clockwork spring (25).

6. The multi-plate down-pressing type track tamping device according to claim 1, wherein the guiding structure (4) is symmetrically provided with a plurality of guiding grooves (31), the top ends of the guiding grooves (31) are provided with descending vertical grooves (32), the bottom ends of the descending vertical grooves (32) are relatively provided with transverse inclined sliding grooves (33), the guiding grooves (31) are movably clamped with guiding support columns (34), the top ends of the guiding support columns (34) are fixedly provided with pressure support plates (35), the top ends of the pressure support plates (35) are movably provided with the down-pressing structure (3), the top parts of the guiding support columns (34) close to one sides of the pressure support plates (35) are movably provided with guiding sliding columns (36), the guiding sliding columns (36) are movably clamped in the guiding grooves (31), the bottom ends of the guiding support columns (34) are provided with linkage transverse plates (37), one side of the linkage transverse plate (37) close to the touch transverse plate (13) is provided with a second touch inclined wall (38), and the inclination angle of the second touch inclined wall (38) is the same as that of the first touch inclined wall (14).

7. The tamping unit of multi-deck down-pressure track as claimed in claim 1, wherein said down-pressure structure (3) is provided with a down-pressure supporting concave plate (39), a supporting and limiting groove plate (40) is provided at the center of both sides of said down-pressure supporting concave plate (39), a first toggle plate (41) is provided at the center of the top end of said down-pressure supporting concave plate (39), a toggle motor is provided at the center of the bottom end of said first toggle plate (41) and located in said down-pressure supporting concave plate (39), a second toggle plate (42) is movably provided at the top end of said first toggle plate (41), a third toggle plate (43) is movably provided at both sides of the top end of said second toggle plate (42), a fourth toggle plate (44) is movably provided at the center of said third toggle plate (43), the bottom end of said fourth toggle plate (44) is fixedly connected to the top ends of both sides of said down-pressure supporting concave plate (39), the bottom of the fourth poking plate (44) is provided with a fifth poking plate (45), the bottom of the fifth poking plate (45) is uniformly provided with a plurality of lower bottom pressing rods (46), and the lower bottom pressing rods (46) are movably inserted into the supporting and limiting groove plates (40).

Technical Field

The invention relates to the technical field of track repairing, in particular to a multi-plate downward-pressing type track tamping device.

Background

The tamping device is an important working device in railway maintenance machinery, is used for tamping ballast on the sleeper bottom at two sides of a steel rail and is matched with a track lifting and shifting device, so that the unevenness of the track is eliminated, and the stability of the track is enhanced. The vibrating shaft and the inner and outer pick arms in the existing tamping device are respectively connected through the inner and outer oil cylinders, so that impact load acts on the inner and outer oil cylinders for a long time, the inner and outer oil cylinders are easily damaged, the service life is influenced, the line maintenance cost is increased, and the inner and outer oil cylinders are adopted, so that the assembly is complex and the manufacturing cost is high.

An effective solution to the problems in the related art has not been proposed yet.

SUMMARY OF THE PATENT FOR INVENTION

In view of the problems in the related art, the present invention provides a multi-plate down-pressing track tamping apparatus to overcome the above-mentioned problems in the related art.

Therefore, the invention adopts the following specific technical scheme:

the utility model provides a multi-plate pushes down formula track tamping device, includes bearing structure, tamping structure and pushes down the structure, bearing structure locates the both sides of tamping structure, it locates to push down the structure the top central point of tamping structure puts, the central point of pushing down the structure puts and is equipped with guide structure, bearing structure's bottom both sides bottom all is equipped with the support chassis.

Further, bearing structure is equipped with the shape of falling U elasticity support frame, the shape of falling U elasticity support frame is kept away from one side bottom movable sleeve of tamping structure is equipped with and supports a spacing section of thick bamboo, the bottom central point that supports a spacing section of thick bamboo puts and is equipped with first reset spring, one side bottom of the shape of falling U elasticity support frame with first reset spring's top fixed connection, it is close to support a spacing section of thick bamboo one side of tamping structure is equipped with spacing support groove, spacing support inslot movable clamp is equipped with and supports the stabilizing horizontal pole, support the other end of stabilizing the horizontal pole with one side central point of the shape of falling U elasticity support frame puts fixed connection, the shape of falling U elasticity support frame is close to one side central point of tamping structure puts and is equipped with the side support crossbearer.

Furthermore, the tamping structure is provided with a tamping supporting shell, the side supporting crossbearers are fixedly connected with the tamping supporting shell, the center of the top end of the tamping supporting shell is provided with an extrusion touch structure, two sides of the top end of the tamping supporting shell are provided with downward pressing force bearing columns, the extrusion touch structure is arranged at the center of the top end of the tamping supporting shell in an inserting mode, the extrusion touch structure is provided with a touch transverse plate, the top ends of the two sides of the touch transverse plate are respectively provided with a first touch inclined wall, the top end of the touch transverse plate is movably arranged at the top end of the tamping supporting shell, two sides of the bottom end of the touch transverse plate are uniformly provided with a plurality of touch extrusion rods, and the touch extrusion rods are movably inserted into the top end of the tamping supporting shell, and the bottom ends of the touch extrusion rods are provided with extrusion conical heads.

Further, the both sides bottom of tamping support shell is equallyd divide from top to bottom and is equipped with first support horizontal pole and second support horizontal pole respectively, first support horizontal pole with the second support the both ends of horizontal pole all with one side bottom fixed connection of the U-shaped elasticity support frame that falls, first support horizontal pole with it is equipped with a plurality of tight structures of clamp to all evenly alternate on the second support horizontal pole, it is equipped with second reset spring to press from both sides between the tight structure.

Further, the clamping structure is provided with a first clamping arm and a second clamping arm, the first clamping arm and the second clamping arm are symmetrically arranged, the first clamping arm and the second clamping arm have the same structure, the top of the first clamping arm is provided with a clamping straight rod, the center of the clamping straight rod is movably inserted on the first supporting cross rod, one side of the top end of the clamping straight rod is provided with a clamping contact shaft, the center of the clamping contact shaft is provided with a first tightening spring, the extrusion cone head is movably clamped between the clamping contact shafts, the side wall of the clamping contact shaft is sleeved with an anti-slip rubber elastic sleeve, the bottom end of the clamping straight rod is provided with a clamping crank arm, the top end of the clamping crank arm is provided with a rotary supporting shaft, the first clamping arm and the second clamping arm are movably connected through the rotary supporting shaft, and the bottom end of the clamping crank arm is movably provided with a tightening footing, and a second tightening spring is movably arranged at the top end of the tightening bottom foot, and the top end of the second tightening spring is fixedly connected with the bottom end of the first tightening spring.

Furthermore, the guide structure is symmetrically provided with a plurality of guide grooves, the top end of each guide groove is provided with a descending vertical groove, the bottom end of each descending vertical groove is provided with a transverse inclined sliding groove, a guide support column is movably clamped in each guide groove, the top end of each guide support column is fixedly provided with a pressure support plate, the top end of each pressure support plate is movably provided with the pressing structure, one side, close to the pressure support plate, of the top of each guide support column is movably provided with a guide sliding column, the guide sliding columns are movably clamped in the guide grooves, the bottom ends of the guide support columns are provided with linkage transverse plates, one sides, close to the contact transverse plates, of the linkage transverse plates are provided with second contact inclined walls, and the inclination angles of the second contact inclined walls and the first contact inclined walls are the same.

The pressing structure is provided with a pressing support concave plate, support limit groove plates are arranged at the center positions of two sides of the pressing support concave plate, a first stirring plate is arranged at the center position of the top end of the pressing support concave plate, a stirring motor located in the pressing support concave plate is arranged at the center position of the bottom end of the first stirring plate, a second stirring plate is movably arranged at the top end of the first stirring plate, third stirring plates are movably arranged on two sides of the top end of the second stirring plate, a fourth stirring plate is movably arranged at the center position of the third stirring plate, the bottom end of the fourth stirring plate is fixedly connected with the top ends of two sides of the pressing support concave plate, a fifth stirring plate is arranged at the bottom end of the fourth stirring plate, a plurality of bottom pressing rods are uniformly arranged at the bottom end of the fifth stirring plate, and the bottom pressing rods are movably and alternately arranged in the support limit groove plates.

Compared with the prior art, the invention has the following beneficial effects:

1. the fifth poking plate is driven to move up and down by the arrangement of the fourth poking plates at the two ends of the downward pressing supporting concave plate, so that the pressure supporting plate is extruded.

2. Through the guide sliding column arranged at the top of the guide supporting column, when the guide sliding column slides downwards in the descending vertical groove, the guide supporting column is driven to press the pressing force bearing column to move downwards, and therefore the tamping supporting shell is driven to move downwards.

3. Through spacing support inslot activity clamp be equipped with support stabilizing horizontal pole, make the tamping support shell steadily descend to promote first clamp arm and second clamp arm downwards smoothly, owing to press from both sides the bottom activity that presss from both sides tight crank arm and be equipped with the footing of tightening up, thereby make the footing of tightening up insert sand pile smoothly, can reduce the decline resistance of first clamp arm and second clamp arm.

4. Through the setting of horizontal oblique spout, make the guide support post carry out down motion to make the second touch the hang wall and touch the hang wall contact with first, and then promote extrusion conical head and get into and press from both sides tightly and touch the moving axis in, because the lateral wall cover that presss from both sides tightly touches the moving axis is equipped with anti-skidding rubber elasticity cover, thereby drives to press from both sides tightly and touches the moving axis and rotate, and then makes the footing of tightening up carry out relative rotation, thereby makes the grit fill at the bottom of the pillow.

5. The fifth shifting plate moves upwards to drive the clamping touch shaft to rotate reversely under the action of the pulling force of the first tightening spring, so that the tightening bottom feet reset, and meanwhile, the tamping support shell moves upwards integrally under the action of the pushing force of the first reset spring to complete the tamping work of the track.

Drawings

In order to more clearly illustrate the embodiments of the patent of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the patent of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a multi-plate down-pressure track tamping apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of the hold-down structure according to the present invention;

FIG. 3 is a side view of a hold-down structure according to the present invention;

FIG. 4 is an enlarged view of a portion of the structure at A in FIG. 1;

FIG. 5 is a graph showing the positional relationship of the first winding spring to the second winding spring according to the teachings of the present invention;

fig. 6 is an enlarged view of a portion of the structure shown in B of fig. 1.

In the figure:

1. a support structure; 2. a tamping structure; 3. a press-down structure; 4. a guide structure; 5. a support chassis; 6. an inverted U-shaped elastic support frame; 7. supporting a limiting cylinder; 8. supporting the stabilizing cross bar; 9. a lateral support crossbearer; 10. tamping the support shell; 11. squeezing the touch structure; 12. pressing down the bearing column; 13. touching the transverse plate; 14. a first touch inclined wall; 15. triggering the extrusion rod; 16. extruding the conical head; 17. a first support rail; 18. a second support rail; 19. a clamping structure; 20. a second return spring; 21. a first clamp arm; 22. a second clamp arm; 23. clamping the straight rod; 24. clamping the contact moving shaft; 25. a first wind-up spring; 26. an anti-slip rubber elastic sleeve; 27. a clamping crank arm; 28. rotating the support shaft; 29. tightening the bottom feet; 30. secondly, the spring is tightened; 31. a guide groove; 32. a descending vertical slot; 33. a transverse inclined chute; 34. a guiding support column; 35. a pressure support plate; 36. a guide strut; 37. a linkage transverse plate; 38. a second touch inclined wall; 39. pressing down the supporting concave plate; 40. supporting the limiting groove plate; 41. a first toggle plate; 42. a second toggle plate; 43. a third toggle plate; 44. a fourth toggle plate; 45. a fifth toggle plate; 46. the bottom bar is pressed down.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to explain, by reference, other possible embodiments and advantages of the invention.

Example one

As shown in fig. 1-6:

the invention provides a structural schematic diagram of a multi-plate downward-pressing type track tamping device, which comprises a plate downward-pressing type track tamping device, a supporting structure 1, a tamping structure 2 and a downward-pressing structure 3, wherein the supporting structure 1 is arranged on two sides of the tamping structure 2, the downward-pressing structure 3 is arranged on the top center position of the tamping structure 2, a guide structure 4 is arranged on the center position of the downward-pressing structure 3, supporting bottom frames 5 are respectively arranged at the bottom ends of two sides of the bottom end of the supporting structure 1, an inverted U-shaped elastic supporting frame 6 is arranged on the supporting structure 1, a supporting limiting cylinder 7 is movably sleeved at the bottom end of one side of the inverted U-shaped elastic supporting frame 6, which is far away from the tamping structure 2, a first return spring is arranged at the center position of the bottom end of the supporting limiting cylinder 7, and the bottom of one side of the inverted U-shaped elastic supporting frame 6 is fixedly connected with the top end of the first return spring, a limit supporting groove is arranged on one side of the supporting and limiting cylinder 7 close to the tamping structure 2, a supporting and stabilizing cross bar 8 is movably clamped in the limit supporting groove, the other end of the supporting and stabilizing cross bar 8 is fixedly connected with the center of one side of the inverted U-shaped elastic supporting frame 6, a side supporting cross frame 9 is arranged on the center of one side of the inverted U-shaped elastic supporting frame 6 close to the tamping structure 2, the tamping structure 2 is provided with a tamping supporting shell 10, the side supporting cross frame 9 is fixedly connected with the tamping supporting shell 10, an extrusion touch structure 11 is arranged on the center of the top end of the tamping supporting shell 10, lower pressure bearing columns 12 are arranged on two sides of the top end of the tamping supporting shell 10, the extrusion touch structure 11 is arranged at the center of the top end of the tamping supporting shell 10 in an inserting manner, a touch transverse plate 13 is arranged on the extrusion touch structure 11, and first touch inclined walls 14 are arranged on the top ends of two sides of the touch transverse plate 13, the top end of the touch transverse plate 13 is movably arranged at the top end of the tamping support shell 10, a plurality of touch extrusion rods 15 are uniformly arranged at two sides of the bottom end of the touch transverse plate 13, the touch extrusion rods 15 are movably inserted into the top end of the tamping support shell 10, extrusion conical heads 16 are arranged at the bottom ends of the touch extrusion rods 15, the bottom ends of two sides of the tamping support shell 10 are respectively provided with a first support cross rod 17 and a second support cross rod 18 from top to bottom, two ends of the first support cross rod 17 and the second support cross rod 18 are fixedly connected with the bottom end of one side of the inverted U-shaped elastic support frame 6, a plurality of clamping structures 19 are uniformly inserted into the first support cross rod 17 and the second support cross rod 18, a second reset spring 20 is arranged between the clamping structures 19, the clamping structures 19 are provided with a first clamping arm 21 and a second clamping arm 22, and the first clamping arm 21 and the second clamping arm 22 are symmetrically arranged, the structure of the first clamping arm 21 is the same as that of the second clamping arm 22, a clamping straight rod 23 is arranged at the top of the first clamping arm 21, the center of the clamping straight rod 23 is movably inserted into the first supporting cross rod 17, a clamping contact moving shaft 24 is arranged on one side of the top end of the clamping straight rod 23, a first tightening spring 25 is arranged at the center of the clamping contact moving shaft 24, the extrusion cone head 16 is movably clamped between the clamping contact moving shafts 24, an anti-slip rubber elastic sleeve 26 is sleeved on the side wall of the clamping contact moving shaft 24, a clamping crank arm 27 is arranged at the bottom end of the clamping straight rod 23, a rotary support shaft 28 is arranged at the top end of the clamping crank arm 27, the first clamping arm 21 and the second clamping arm 22 are movably connected through the rotary support shaft 28, a tightening footing 29 is movably arranged at the bottom end of the clamping crank arm 27, and a second tightening spring 30 is movably arranged at the top end of the tightening footing 29, the top end of the second tightening spring 30 is fixedly connected with the bottom end of the first tightening spring 25, the guide structure 4 is symmetrically provided with a plurality of guide grooves 31, the top end of each guide groove 31 is provided with a descending vertical groove 32, the bottom end of each descending vertical groove 32 is provided with a transverse inclined sliding groove 33, a guide support pillar 34 is movably clamped in each guide groove 31, the top end of each guide support pillar 34 is fixedly provided with a pressure support plate 35, the top end of each pressure support plate 35 is movably provided with the pressing structure 3, one side, close to the pressure support plate 35, of the top of each guide support pillar 34 is movably provided with a guide sliding pillar 36, each guide sliding pillar 36 is movably clamped in each guide groove 31, the bottom end of each guide support pillar 34 is provided with a linkage transverse plate 37, one side, close to the transverse plate touch plate 13, of each linkage transverse plate 37 is provided with a second touch inclined wall 38, and the inclination angle of each second touch inclined wall 38 is the same as that of the first touch inclined wall 14, the pressing structure 3 is provided with a pressing support concave plate 39, the central positions of two sides of the pressing support concave plate 39 are provided with support limit groove plates 40, a first toggle plate 41 is arranged at the center of the top end of the lower pressing support concave plate 39, a toggle motor positioned in the lower pressing support concave plate 39 is arranged at the center of the bottom end of the first toggle plate 41, a second toggle plate 42 is movably arranged at the top end of the first toggle plate 41, third toggle plates 43 are movably arranged at both sides of the top end of the second toggle plate 42, a fourth toggle plate 44 is movably arranged at the central position of the third toggle plate 43, the bottom end of the fourth toggle plate 44 is fixedly connected with the top ends of the two sides of the lower pressing support concave plate 39, the bottom end of the fourth toggle plate 44 is provided with a fifth toggle plate 45, the bottom end of the fifth toggle plate 45 is uniformly provided with a plurality of bottom pressing rods 46, and the bottom pressing rods 46 are movably inserted into the supporting and limiting slotted plates 40.

The detailed usage and function of the first embodiment: the second toggle plate 42 is driven to move up and down by the rotation of the first toggle plate 41, because both sides of the top end of the second toggle plate 42 are movably provided with the third toggle plate 43, the central position of the third toggle plate 43 is movably provided with the fourth toggle plate 44, the bottom end of the fourth toggle plate 44 is fixedly connected with the top ends of both sides of the downward pressing support concave plate 39, when the second toggle plate 42 moves up and down, the third toggle plate 43 can be driven to pry up and down by taking the fourth toggle plate 44 as the axis, so as to drive the fifth toggle plate 45 to move up and down, so as to extrude the pressure support plate 35, so as to push the guide support pillar 34 to move down, because one side of the top of the guide support pillar 34 close to the pressure support plate 35 is movably provided with the guide sliding pillar 36, the guide sliding pillar 36 is movably clamped in the guide groove 31, the top end of the guide groove 31 is provided with the downward vertical groove 32, the bottom end of the downward vertical groove 32 is relatively provided with the lateral inclined chute 33, when the guiding sliding column 36 slides downwards in the descending vertical slot 32, the guiding supporting column 34 is driven to press the pressing supporting column 12 to move downwards, so as to drive the first clamping arm 21 and the second clamping arm 22 to move downwards, so as to insert sand pile, when the guiding sliding column 36 slides into the transverse inclined sliding slot 33, the guiding supporting column 34 moves downwards in an inclined manner, so as to enable the second touch inclined wall 38 to be in contact with the first touch inclined wall 14, further to push the touch transverse plate 13 to move downwards, further to push the extrusion conical head 16 to enter the clamping touch movable shaft 24, as the side wall of the clamping touch movable shaft 24 is sleeved with the anti-slip rubber elastic sleeve 26, the clamping touch movable shaft 24 is driven to rotate, further to drive the first tightening spring 25 to tighten, as the top end of the second tightening spring 30 is fixedly connected with the bottom end of the first tightening spring 25, further to drive the second tightening spring 30 to rotate, further to enable the tightening foot 29 to rotate relatively, therefore, gravel is filled in the pillow bottom, and after the fifth shifting plate 45 moves upwards, the fifth shifting plate is pulled by the first tightening spring 25 to drive the clamping touch shaft 24 to rotate reversely, so that the tightening bottom feet 29 are reset, and meanwhile, the tamping support shell 10 moves upwards integrally under the thrust of the first reset spring, so that the tamping work of the track is completed.

In summary, according to the above technical solutions of the present invention, it is effectively ensured that the fifth toggle plate is driven to move up and down by the arrangement of the downward pressing support concave plate and the fourth toggle plates at the two ends of the downward pressing support concave plate, so as to press the pressure support plate, so as to push the guide support column to move downward, when the guide slide column slides down in the descending vertical groove by the guide slide column arranged at the top of the guide support column, the guide support column is driven to press the downward pressing support column to move downward, so as to drive the tamping support shell to move downward, the support stabilizing cross bar is movably clamped in the limiting support groove, so as to stably descend the tamping support shell, so as to smoothly push the first clamping arm and the second clamping arm downward, and since the bottom end of the clamping curved arm is movably provided with the tightening bottom foot, so as to smoothly insert the tightening bottom foot into the sand pile, after the guide slide column slides into the transverse inclined chute, the guiding support column moves obliquely downwards so as to enable the second touch inclined wall to be contacted with the first touch inclined wall, further pushing the touch transverse plate to move downwards, further pushing the extrusion conical head into the clamping touch shaft, because the side wall of the clamping touch moving shaft is sleeved with the anti-skidding rubber elastic sleeve, the clamping touch moving shaft is driven to rotate, and the first tightening spring is driven to tighten, because the top end of the second tightening spring is fixedly connected with the bottom end of the first tightening spring, the second tightening spring is pulled to rotate, so that the tightening bottom feet rotate relatively to fill the gravel to the pillow bottom, when the fifth toggle plate moves upwards, the fifth toggle plate is pulled by the first tightening spring to drive the clamping touch shaft to rotate reversely, thereby make and tighten up the footing and reset, receive first reset spring's thrust simultaneously, make the tamping support shell move on the whole, accomplish orbital tamping work's beneficial effect.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.