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CN-224218825-U - Adjustable soil compacting device

CN224218825UCN 224218825 UCN224218825 UCN 224218825UCN-224218825-U

Abstract

The utility model provides an adjustable soil compaction device, relates to compaction equipment technical field, including body frame, back pinch roller subassembly and counter weight subassembly, counter weight subassembly movably sets up on body frame, and can be driven to change its and back pinch roller subassembly between the distance, back pinch roller subassembly includes inner tube and the urceolus of cover outside the inner tube, the coaxial and sliding fit of both, the surface of urceolus and the surface that the inner tube exposed outside the urceolus form the back compaction surface, the urceolus slides for the inner tube, in order to change the area of back compaction surface. When the humidity of the land is different, the pressure applied to the land by the pressing wheel assembly after the weight assembly is changed can be changed, and the adjustable land compaction device can be suitable for the land with different humidity and has wide application range.

Inventors

  • LI HUI
  • LI HAILIANG
  • HE YONGFANG
  • ZHANG HUI
  • WU ZHEN
  • GAO XUEWEN
  • ZHANG XIANG
  • LIANG PU
  • TIAN SHUXIA
  • JIANG FANGLING
  • ZHOU RONG
  • ZHANG YUCAI

Assignees

  • 宁夏塞上江南农业科技有限公司

Dates

Publication Date
20260512
Application Date
20250626

Claims (10)

  1. 1. The adjustable soil compacting device is characterized by comprising a main frame body, a rear pressing wheel assembly and a counterweight assembly, wherein the counterweight assembly is movably arranged on the main frame body and can be driven to change the distance between the counterweight assembly and the rear pressing wheel assembly, the rear pressing wheel assembly comprises an inner cylinder and an outer cylinder sleeved outside the inner cylinder, the inner cylinder and the outer cylinder are coaxially and slidably matched, the outer surface of the outer cylinder and the outer surface of the inner cylinder exposed outside the outer cylinder form a rear compacting surface, and the outer cylinder slides relative to the inner cylinder to change the area of the rear compacting surface.
  2. 2. The adjustable soil compacting device of claim 1 wherein the weight assembly comprises a connector movably disposed on the rear frame and a weight secured to the connector, the connector being drivable for movement on the rear frame.
  3. 3. The apparatus of claim 2, wherein the rear frame has a first rack extending away from the rear pinch roller assembly, and the counterweight assembly further includes a first gear engaged with and coupled to the first rack and a first driving portion coupled to the first gear, the first gear being rotatably coupled to the connecting member and the first gear being rotatable under the driving of the first driving portion to move the connecting member along the first rack.
  4. 4. The adjustable soil compacting device of claim 3 wherein the rear frame includes a horizontal bar and the first rack and weight assembly are formed on the horizontal bar.
  5. 5. The apparatus of claim 1, wherein the outer cylinder comprises a first outer cylinder and a second outer cylinder which are respectively sleeved at two ends of the inner cylinder, the first outer cylinder and the inner cylinder are coaxial, and the second outer cylinder and the inner cylinder are in sliding fit.
  6. 6. The apparatus of claim 5, wherein the first outer barrel has an end facing the second outer barrel with an angled annular first chamfer and the second outer barrel has an end facing the first outer barrel with an angled annular second chamfer.
  7. 7. The apparatus of claim 5, wherein the rear pinch roller assembly further comprises a connecting rod, a first sleeve and a second sleeve slidably disposed over the connecting rod, a first connecting rod fixedly connected to the first sleeve, and a second connecting rod fixedly connected to the second sleeve, the connecting rod being connected to the rear frame, the first connecting rod being rotatably connected to the first outer cylinder, the second connecting rod being rotatably connected to the second outer cylinder, the first sleeve and the second sleeve being capable of being driven to move toward or away from each other in a direction of extension of the connecting rod to vary an area of the rear compaction surface.
  8. 8. The apparatus of claim 7, wherein the rear pinch roller assembly further comprises a second rack coupled to the first sleeve, a third rack coupled to the second sleeve, a second gear engaged with the second rack and the third rack, and a second driving portion drivingly coupled to the second gear, the second rack and the third rack being disposed opposite each other and being movable toward and away from each other by the second gear.
  9. 9. The apparatus of claim 8, wherein the rear pinch roller assembly further comprises a fixed block connected to the connecting rod, a sliding groove is formed in the fixed block, the second gear is rotatably connected to the fixed block and located in the sliding groove, the second rack and the third rack penetrate through the sliding groove and are slidably connected with the fixed block, the sliding direction of the second rack relative to the fixed block is the same as the sliding direction of the first outer cylinder relative to the inner cylinder, the second rack and the first outer cylinder synchronously slide, the sliding direction of the third rack relative to the fixed block is the same as the sliding direction of the second outer cylinder relative to the inner cylinder, and the third rack and the second outer cylinder synchronously slide.
  10. 10. The adjustable soil compacting device of any one of claims 5 to 9 further comprising a first scraping assembly having a first scraping side engaging the outer surface of the first outer cylinder to clean soil adhering to the outer surface of the first outer cylinder and a second scraping assembly having a second scraping side engaging the outer surface of the second outer cylinder to clean soil adhering to the outer surface of the second outer cylinder.

Description

Adjustable soil compacting device Technical Field The utility model relates to the technical field of compaction equipment, in particular to an adjustable soil compaction device. Background When raising seedlings, the soil needs to be flattened and compacted, and then ground cloth is paved. The soil compacting device is generally used for compacting the soil, the soil compacting device is different in pressure required to be applied to the soil for the soil with different humidity, the pressure required to be compacted is smaller when the soil humidity is higher, so that the soil compacting device is prevented from sinking into the soil, smooth running of the soil compacting device is ensured, and the pressure required to be compacted is larger when the soil humidity is lower, so that enough pressure can be ensured to compact and level the soil. The pressure applied to the land by the existing land compaction device is fixed, and the land compaction device capable of generating different pressures is required to be used for the land with different humidity, so that the application range of the existing land compaction device is limited. Disclosure of Invention In view of the above, it is desirable to provide an adjustable soil compacting device capable of adjusting the pressure and compacting area according to the humidity of the soil. The utility model provides an adjustable soil compaction device, includes the body frame, back pinch roller subassembly and counter weight subassembly, and the counter weight subassembly is movably to be set up on the body frame, and can be driven to change its and back pinch roller subassembly between the distance, and back pinch roller subassembly includes inner tube and the urceolus of cover outside the inner tube, and both are coaxial and sliding fit, and the surface of urceolus and the surface that the inner tube exposed outside the urceolus form the back compaction surface, and the urceolus slides for the inner tube to change the area of back compaction surface. Preferably, the weight assembly includes a link movably disposed on the rear frame and a weight fixed to the link, the link being capable of being driven to move on the rear frame. Preferably, the rear frame is provided with a first rack extending from the rear pinch roller assembly to a direction far away from the rear pinch roller assembly, the counterweight assembly further comprises a first gear connected with the first rack in a meshed manner and a first driving part connected with the first gear, the first gear is rotationally connected with the connecting piece, and the first gear can rotate under the driving of the first driving part so as to drive the connecting piece to move along the first rack. Preferably, the rear frame includes a horizontal bar, and the first rack and the weight assembly are both formed on the horizontal bar. Preferably, the outer cylinder comprises a first outer cylinder and a second outer cylinder which are respectively sleeved at two ends of the inner cylinder, and the first outer cylinder, the inner cylinder and the second outer cylinder are in sliding fit with the inner cylinder. Preferably, an end of the second outer tube facing the second outer tube is formed with an inclined annular first chamfer surface, and an end of the second outer tube facing the second outer tube is formed with an inclined annular second chamfer surface. Preferably, the rear pinch roller assembly further comprises a connecting rod, a first sleeve and a second sleeve which are sleeved on the connecting rod in a sliding manner, a first connecting rod fixedly connected with the first sleeve and a second connecting rod fixedly connected with the second sleeve, the connecting rod is connected with the rear frame, the first connecting rod is rotationally connected with the first outer cylinder, the second connecting rod is rotationally connected with the second outer cylinder, and the first sleeve and the second sleeve can be driven to move in opposite directions or back to back along the extending direction of the connecting rod so as to change the area of the rear compacting surface. Preferably, the rear pinch roller assembly further comprises a second rack connected to the first sleeve, a third rack connected to the second sleeve, a second gear meshed with the second rack and the third rack, and a second driving part connected to the second gear in a driving manner, wherein the second rack and the third rack are oppositely arranged, and can move in opposite directions or in opposite directions under the driving of the second gear. Preferably, the rear pinch roller assembly further comprises a fixed block connected to the connecting rod, a sliding groove is formed in the fixed block, the second gear is rotationally connected to the fixed block and located in the sliding groove, the second rack and the third rack penetrate through the sliding groove and are in sliding connection with the fixed block, the s