CN219385907U

CN219385907U - Base layer tamping device for highway construction

Info

Publication number: CN219385907U
Application number: CN202320245641.8U
Authority: CN
Inventors: 刘宽富
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-07-21
Anticipated expiration: 2033-02-17

Abstract

The utility model provides a base layer tamping device for highway construction, belongs to the technical field of highway construction, and solves the problems that an existing tamping hammer is damaged after long-time use and cannot buffer impact generated by a vehicle body during knocking. This basic unit rammer device for highway construction, including the automobile body, be provided with preceding pinch roller and back pinch roller on the automobile body, seted up the cavity in the automobile body, cavity internal fixation has the motor, is provided with rammer device on the motor, is provided with the rammer hammer on the rammer device, and cavity internal fixation has the support, is provided with damping device on the support, is provided with the steel sheet on the damping device, and the steel sheet is located the rammer hammer under. The utility model has the advantages that the rammer can not be damaged when being used for a long time, and the impact generated by the vehicle body is buffered when the rammer is knocked.

Description

Base layer tamping device for highway construction

Technical Field

The utility model belongs to the technical field of highway construction, and relates to a base layer tamping device, in particular to a base layer tamping device for highway construction.

Background

The highway refers to a public road which is approved by highway authorities and can run vehicles among cities, villages and towns, and the highway comprises roadbeds, pavements, bridges, culverts and tunnels of the highway, and the ground is required to be compacted in the construction of the highway, so that the pavement strength of the constructed highway is increased.

The existing foundation stone vibration tamping device for highway construction is complex in operation, inconvenient to tamp, easy to move, and low in stability.

Through the search, for example, chinese patent literature discloses a foundation stone vibration ramming device for rural highway construction [ application number: 202021268403.1; publication No.: CN 213328576U ]. The compaction rod drives the compaction hammer to freely fall from the high altitude to generate impact energy, so that the soil layer in a certain depth below the ground is in a compact state, the operation process is simple, and the compaction efficiency of the compaction device is improved.

The foundation stone vibration tamping device for rural highway construction disclosed in the patent, though the operation process is simple, the tamping efficiency of the tamping device is improved, but the device is used for directly tamping a roadbed through the tamping hammer, if the tamping hammer is used for a long time, damage of the tamping hammer can be caused, replacement loss is large, and the rigid impact generated by the tamping hammer when the tamping hammer strikes the ground can not be converted into elastic impact through the spring of the device, and if the tamping hammer is used for a long time, damage of the vehicle body can be caused.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides a base layer tamping device for highway construction, which aims to solve the technical problems that: how to realize that the rammer can not be damaged when being used for a long time and buffer the impact generated by the vehicle body when knocking.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a basic unit ramming device for highway construction, includes the automobile body, is provided with preceding pinch roller and back pinch roller on the automobile body, has seted up the cavity in the automobile body, and the cavity internal fixation has the motor, is provided with ramming device on the motor, is provided with the ramming hammer on the ramming device, and the cavity internal fixation has the support, is provided with damping device on the support, is provided with the steel sheet on the damping device, and the steel sheet is located the ramming hammer under.

The working principle of the utility model is as follows: when need to tamp the road bed, at first start the motor, drive the ramming device through the motor and work, when the ramming device works, thereby drive the ramming hammer and beat the steel sheet, because the ramming hammer is direct to the ground tamp, if through long-time use, the problem that the ramming hammer damaged can appear, still need dismantle whole device, then change the ramming hammer, can waste a large amount of time, moreover the cost that the ramming hammer changed is great, if directly make the ramming hammer beat the steel sheet, then the steel sheet is beaten the road base through the power of ramming hammer, just need change the steel sheet through long-time use also, need not dismantle whole device, and change the steel sheet and compare in changing the ramming hammer and practiced thrift a large amount of costs, because can produce the impact to the automobile body, the hard impact that the ramming hammer beaten the steel sheet through damping device changes into the elasticity impact, thereby make the soil layer state.

The tamping device comprises a half gear, the half gear is fixedly connected with the output shaft end of the motor, a sliding plate is slidably connected in the cavity, a rack is fixed on the sliding plate and meshed with the half gear, the lower end of the sliding plate extends out of the vehicle body, and the bottom end of the sliding plate is fixedly connected with the tamping hammer.

By adopting the structure, when the ground needs to be repeatedly knocked, the motor drives the half gear to rotate, the half gear rotates and simultaneously is meshed with the rack, the sliding plate is driven to slide up and down in the cavity while being meshed, the tamping hammer is driven to knock the ground while sliding, the gear part and the rack are continuously screwed and meshed through rotation of the half gear, the tamping hammer is driven to lift upwards, and when the gearless part of the half gear rotates to the rack, the tamping hammer descends, so that the ground is knocked in a reciprocating mode.

The cavity is internally fixed with a fixed box, the fixed box is internally fixed with a first spring, a fixed rod is fixedly connected to the first spring, and the fixed rod extends out of the cavity and is fixedly connected with the rammer.

By adopting the structure, when the rammer moves upwards, the first spring is pressed downwards through the fixing rod, and when the rammer descends, the first spring is reset and moves reciprocally, so that the hard impact generated when the rammer knocks the steel plate is reduced and converted into elastic impact, and the vehicle body is better protected.

The damping device comprises a slide bar, the slide bar is in sliding connection with the vehicle body, threaded grooves are formed in the slide bar and the steel plate, bolts are connected in the threaded grooves in a threaded manner, tension springs are fixed on the steel plate, the other ends of the tension springs are fixedly connected with the vehicle body, grooves are formed in the support, and springs II are fixed in the grooves.

By adopting the structure, after the tamping hammer strikes the steel plate, the steel plate can be pressed down, the sliding rod is driven to slide downwards when pressing down, the tension spring is pulled downwards when sliding, after the tamping hammer strikes, the tension spring is reset, the sliding rod is driven to slide upwards when resetting, the impact to the support can be generated when the impact moves upwards again due to inertia, the impact to the sliding rod by the spring II is buffered, the sliding rod is prevented from being damaged due to long-time impact, the steel plate can be damaged when being knocked for a long time, and only the screw is needed to be unscrewed at the moment, the steel plate is replaced, and the cost is saved compared with the replacement of the tamping hammer.

The top of the slide bar is of a trapezoid structure, the groove is of a trapezoid groove, and the trapezoid structure is matched with the trapezoid groove.

By adopting the structure, the trapezoid structure at the top end of the sliding rod and the trapezoid groove can be easier to collide with the second spring, and the situation that the sliding rod directly collides with the bracket can not occur.

The hydraulic rod is fixed with a fixed plate, and a plurality of evenly distributed pointed cones are fixed on the fixed plate.

By adopting the structure, when the road is slippery, the fixing plate is driven to move downwards through the hydraulic rod, the pointed cone is inserted into the ground when moving, and the problem that the vehicle slips when knocking is prevented.

Compared with the prior art, the base layer tamping device for highway construction has the following advantages:

1. when need to tamp the road bed, at first start the motor, drive the ramming device through the motor and work, when the ramming device works, thereby drive the ramming hammer and beat the steel sheet, because the ramming hammer is direct to the ground tamp, if through long-time use, the problem that the ramming hammer damaged can appear, still need dismantle whole device, then change the ramming hammer, can waste a large amount of time, moreover the cost that the ramming hammer changed is great, if directly make the ramming hammer beat the steel sheet, then the steel sheet is beaten the road base through the power of ramming hammer, just need change the steel sheet through long-time use also, need not dismantle whole device, and change the steel sheet and compare in changing the ramming hammer and practiced thrift a large amount of costs, because can produce the impact to the automobile body, the hard impact that the ramming hammer beaten the steel sheet through damping device changes into the elasticity impact, thereby make the soil layer state.

2. When needs strike ground repeatedly, at first drive the half gear through the motor and rotate, thereby mesh with the rack when the half gear rotates, thereby drive the slide and slide from top to bottom in the cavity in the meshing, thereby drive the rammer and strike ground when sliding, thereby through the rotation of half gear, thereby drive the rammer when gear position and rack continue to twist the meshing and rise upwards, when the no gear position of half gear rotates to the rack on, the rammer descends to this carries out reciprocating strike ground.

3. When the rammer moves upwards, the first spring is pressed down through the fixing rod, and when the rammer descends, the first spring is reset and moves reciprocally, so that hard impact generated when the rammer strikes the steel plate is reduced and converted into elastic impact, and the vehicle body is better protected.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a cross-sectional view of a vehicle body in the present utility model.

Fig. 3 is a side view of a half gear of the present utility model.

Fig. 4 is a schematic diagram of the structure at a in fig. 2.

Fig. 5 is a cross-sectional view of a steel sheet according to the present utility model.

In the figure, 1, a vehicle body; 2. a front pinch roller; 3. a rear pinch roller; 4. a motor; 5. a ramming hammer; 6. a bracket; 7. a steel plate; 8. a half gear; 9. a slide plate; 10. a rack; 11. a fixed box; 12. a first spring; 13. a fixed rod; 14. a slide bar; 15. a tension spring; 16. a second spring; 17. a hydraulic rod; 18. a fixing plate; 19. a pointed cone; 20. and (5) a bolt.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 to 5, the base layer tamping device for highway construction comprises a vehicle body 1, wherein a front pressing wheel 2 and a rear pressing wheel 3 are arranged on the vehicle body 1, a cavity is formed in the vehicle body 1, a motor 4 is fixed in the cavity, a tamping device is arranged on the motor 4, a tamping hammer 5 is arranged on the tamping device, a support 6 is fixed in the cavity, a damping device is arranged on the support 6, a steel plate 7 is arranged on the damping device, and the steel plate 7 is located right below the tamping hammer 5.

When need to tamp the road bed, at first start the motor, drive the ramming device through the motor and work, when the ramming device works, thereby drive the ramming hammer and beat the steel sheet, because the ramming hammer is direct to the ground tamp, if through long-time use, the problem that the ramming hammer damaged can appear, still need dismantle whole device, then change the ramming hammer, can waste a large amount of time, moreover the cost that the ramming hammer changed is great, if directly make the ramming hammer beat the steel sheet, then the steel sheet is beaten the road base through the power of ramming hammer, just need change the steel sheet through long-time use also, need not dismantle whole device, and change the steel sheet and practiced thrift a large amount of costs in comparison with changing the ramming hammer, because can produce the impact to the automobile body, the hard impact that the ramming hammer 5 was beaten the steel sheet 7 through damping device at this moment changes into the elasticity impact, thereby make the soil layer reach the state.

The tamping device comprises a half gear 8, the half gear 8 is fixedly connected with the output shaft end of the motor 4, a sliding plate 9 is slidably connected in the cavity, a rack 10 is fixed on the sliding plate 9, the rack 10 is meshed with the half gear 8, the lower end of the sliding plate 9 extends out of the vehicle body 1, and the bottom end of the sliding plate 9 is fixedly connected with the tamping hammer 5.

When needs strike repeatedly the ground, at first drive half gear 8 through motor 4 and rotate, thereby mesh with rack 10 when half gear 8 rotates, thereby drive slide 9 and slide from top to bottom in the cavity in the meshing, thereby drive rammer 5 and strike the ground when sliding, thereby through half gear 8's rotation, thereby drive rammer 5 when gear position and rack 10 continue to twist the meshing and rise upwards, when half gear 8's no gear position rotates to rack 10 on, rammer 5 descends to this carries out reciprocating strike to the ground.

The cavity is internally fixed with a fixed box 11, the fixed box 11 is internally fixed with a first spring 12, the first spring 12 is fixedly connected with a fixed rod 13, and the fixed rod 13 extends out of the cavity and is fixedly connected with the rammer 5.

When the rammer 5 moves upwards, the first spring 12 is pressed downwards through the fixing rod 13, and when the rammer 5 descends, the first spring 12 is reset to move reciprocally, so that hard impact generated when the rammer 5 strikes the steel plate 7 is reduced and converted into elastic impact, and the vehicle body is better protected.

The damping device comprises a slide bar 14, the slide bar 14 is in sliding connection with the vehicle body 1, threaded grooves are formed in the slide bar 14 and the steel plate 7, bolts 20 are connected in the threaded grooves in a threaded manner, a tension spring 15 is fixed on the steel plate 7, the other end of the tension spring 15 is fixedly connected with the vehicle body 1, a groove is formed in the bracket 6, and a second spring 16 is fixed in the groove.

When the ramming hammer 5 strikes the steel 7 plate, the steel plate 7 can be pressed down, the sliding rod 14 is driven to slide downwards while pressing down, the tension spring 15 is pulled downwards while sliding, after the ramming hammer 5 strikes, the tension spring 15 is reset, the sliding rod 14 is driven to slide upwards while resetting, the impact of the sliding rod 14 can be buffered by the spring II 13 at the moment due to the fact that the impact of the sliding rod 14 can be possibly generated when inertia moves upwards again, the problem that the sliding rod 14 cannot be damaged due to long-time impact is guaranteed, when the steel plate 7 is damaged due to long-time impact, only the bolt is required to be screwed 20 at the moment, the steel plate 7 is replaced, and cost is saved compared with the replacement of the ramming hammer 5.

The top of the slide bar 14 is a trapezoid structure, the groove is a trapezoid groove, and the trapezoid structure is matched with the trapezoid groove.

The trapezoid structure and the trapezoid groove at the top end of the sliding rod 14 can enable the sliding rod 14 to be more easy to collide with the second spring 16, and the situation that the sliding rod 14 directly collides with the bracket 6 can not occur.

A fixed plate 18 is fixed on the hydraulic rod 17, and a plurality of sharp cones 19 which are uniformly distributed are fixed on the fixed plate 18.

When the vehicle is on slippery weather, the hydraulic rod 17 drives the fixing plate 18 to move downwards, and the pointed cone 19 is inserted into the ground while moving, so that the problem of skidding of the vehicle during knocking is prevented.

The working principle of the utility model is as follows: when the roadbed is needed to be tamped, the motor 4 is started, the half gear 8 is driven to rotate through the motor 4, the half gear 8 is meshed with the rack 10 while rotating, the sliding plate 9 is driven to slide up and down in the cavity while meshing, the tamping hammer 5 is driven to beat the ground while sliding, the tamping hammer 5 is driven to rise upwards when the gear part is continuously screwed with the rack 10 through the rotation of the half gear 8, the tamping hammer 5 descends when the gearless part of the half gear 8 rotates to the rack 10, so as to perform reciprocating beating on the ground, the spring 1 12 is pressed down through the fixing rod 13 when the tamping hammer 5 descends, the spring 1 12 is reset so as to perform reciprocating movement when the tamping hammer 5 descends, and the spring I12 can also solve the impact force that the rammer 5 produced to the automobile body 1 when ramming steel sheet 7, after rammer 5 knocks the steel sheet 7, can push down steel sheet 7, drive slide bar 14 to slide downwards in the push down, pull extension spring 15 downwards in the slip, after rammer 5 knocks, extension spring 15 resets, drive slide bar 14 upwards in the reset, probably can produce the striking to support 6 because of inertia and upwards move again, spring II buffers the striking of slide bar 14 at this moment, guaranteed slide bar 14 can not be because the problem of long-time striking damage, when the weather of way is smooth, drive fixed plate 18 through hydraulic stem 17 and move downwards, insert the pointed cone 19 underground in the removal, prevent the problem that the vehicle took place to skid in the time of the striking.

In a word, through the cooperation of steel sheet, rammer and damping device, realize rammer and use for a long time can not damage to produce the function of striking and buffering to the automobile body when beating.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a basic unit ramming device for highway construction, includes automobile body (1), its characterized in that, be provided with preceding pinch roller (2) and back pinch roller (3) on automobile body (1), the cavity has been seted up in automobile body (1), cavity internal fixation has motor (4), be provided with ramming device on motor (4), be provided with ramming hammer (5) on the ramming device, cavity internal fixation has support (6), be provided with damping device on support (6), be provided with steel sheet (7) on the damping device, steel sheet (7) are located under ramming hammer (5).

2. The base layer tamping device for highway construction according to claim 1, characterized in that the tamping device comprises a half gear (8), the half gear (8) is fixedly connected with the output shaft end of the motor (4), a sliding plate (9) is slidably connected in the cavity, a rack (10) is fixed on the sliding plate (9), the rack (10) is meshed with the half gear (8), the lower end of the sliding plate (9) extends out of the car body (1), and the bottom end of the sliding plate (9) is fixedly connected with the tamping hammer (5).

3. The base layer tamping device for highway construction according to claim 1, wherein a fixing box (11) is fixed in the cavity, a first spring (12) is fixed in the fixing box (11), a fixing rod (13) is fixedly connected to the first spring (12), and the fixing rod (13) extends out of the cavity and is fixedly connected with the tamping hammer (5).

4. The base layer tamping device for highway construction according to claim 1, characterized in that the damping device comprises a sliding rod (14), the sliding rod (14) is in sliding connection with the vehicle body (1), threaded grooves are formed in the sliding rod (14) and the steel plate (7), bolts (20) are connected in the threaded grooves in a threaded mode, tension springs (15) are fixed on the steel plate (7), the other ends of the tension springs (15) are fixedly connected with the vehicle body (1), grooves are formed in the support (6), and springs II (16) are fixed in the grooves.

5. The base layer tamping device for highway construction according to claim 4, wherein the top end of the sliding rod (14) is a trapezoid structure, the groove is a trapezoid groove, and the trapezoid structure is matched with the trapezoid groove.

6. The base layer tamping device for highway construction according to claim 1, wherein a hydraulic rod (17) is fixed in the cavity, the hydraulic rod (17) extends out of the cavity, a fixing plate (18) is fixed on the hydraulic rod (17), and a plurality of pointed cones (19) which are uniformly distributed are fixed on the fixing plate (18).