CN211596734U - Rammer compactor for construction - Google Patents
Rammer compactor for construction Download PDFInfo
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- CN211596734U CN211596734U CN201922144095.5U CN201922144095U CN211596734U CN 211596734 U CN211596734 U CN 211596734U CN 201922144095 U CN201922144095 U CN 201922144095U CN 211596734 U CN211596734 U CN 211596734U
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- plate
- tamping
- steel wire
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 60
- 239000010959 steel Substances 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 abstract description 52
- 239000011435 rock Substances 0.000 abstract description 9
- 230000008569 process Effects 0.000 description 36
- 230000000903 blocking effect Effects 0.000 description 15
- 230000001174 ascending effect Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 12
- 230000005484 gravity Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a rammer compactor for construction, including riser, roof, rotation axis, connection steel wire, connecting plate, rammer plate, pneumatic cylinder and magnetic sheet, its characterized in that: the bottom of the vertical plate is provided with a base plate, the top plate is arranged on the vertical plate, two ends of the rotating shaft penetrate through bearings, the connecting steel wire is placed on the steering wheel, the connecting plate is provided with a hanging ring and connected with the hanging ring and the connecting steel wire, the tamping plate is connected with the connecting plate through a spring, and the hydraulic cylinder is arranged on the bottom plate. The utility model discloses be provided with spacing post perpendicularly in the spring on the connecting plate, seted up spacing hole on the tamping plate to with spacing vertical stretching into spacing downthehole of post, the tamping plate is at the tamping in-process, and the tamping plate rocks from top to bottom on the connecting plate through the spring, can avoid the tamping plate to take place transversely to rock at the tamping in-process through spacing post, spacing hole, improves the stability of tamping plate at the tamping in-process, and then improves the tamping quality.
Description
Technical Field
The utility model relates to a construction technical field specifically is a tamper for construction is related to.
Background
At present, the ground needs to be tamped in the construction process of a building, so that a tamping machine has very important application in the construction process, and the traditional tamping machine used in the current building has the problems of low working efficiency, small impact force in the tamping process and low safety performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rammer compactor for construction that structural design is reasonable, work efficiency is high, rammer in-process impact force is big, security performance is high to the problem that work efficiency is low, rammer in-process impact force is little, security performance is low that current construction rammer device exists.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a rammer compactor for construction, includes riser, roof, rotation axis, connects steel wire, connecting plate, rammer plate, pneumatic cylinder and magnetic sheet, its characterized in that: the bottom of the vertical plate is provided with a base plate, the base plate is provided with a support, the top plate is arranged on the vertical plate, the top plate is provided with a fixing hole, two ends of the top plate are provided with fixing grooves, the top plate is provided with a fixing plate, the fixing plate is provided with a bearing, the vertical plate, the base plate and the top plate are connected through welding, the connecting strength between the vertical plate and the base plate as well as between the vertical plate and the top plate is improved, the structural strength of the tamper is enhanced, and further the stability of the tamper in the working process is enhanced, two ends of the rotating shaft penetrate through the bearing, and a steering wheel is arranged on the rotating shaft, so that the connecting plate is convenient for the rotation of the connecting steel wire through the steering wheel, so that the connecting plate drives the tamper plate to ascend or descend, the continuous tamping operation of the tamper is realized, the tamping efficiency is further improved, the labor intensity of operators is reduced, the, the other end of the connecting steel wire penetrates through the fixed groove, one end of the connecting steel wire is provided with a magnetic block, the connecting plate is provided with a lifting ring and is connected with the connecting steel wire, the tamping plate is connected with the connecting plate through a spring, the hydraulic cylinder is arranged on the bottom plate and is provided with a piston rod, the magnetic plate is arranged on the piston rod and pushes the piston rod and/or the magnetic plate on the piston rod to ascend or descend, the ascending magnetic plate and the magnetic block attract each other in an opposite way, the magnetic plate and the magnetic block are attracted together, the piston rod drives the magnetic plate and the magnetic block to descend in the descending process, the magnetic block pulls the connecting steel wire to move on the steering wheel, so that the other end of the connecting steel wire pulls the lifting ring, the tamping plate is lifted, the magnetic plate and the magnetic block descend along with the piston rod, the magnetic block contacts with the stop rod in the descending process, and, the magnetic plate continues to descend under the action of the piston rod, so that the magnetic plate is separated from the magnetic block, the magnetic plate continues to descend, the suction force of the magnetic plate and the magnetic block is reduced, the tamping plate descends under the action of gravity, the connecting steel wire is driven to descend, one end of the connecting steel wire drives the magnetic block to ascend, the connecting steel wire moves in the fixing groove, the top plate blocks the magnetic block in the ascending process, the tamping operation is realized, the tamping efficiency and the tamping quality are improved, and the labor intensity of operators is reduced.
Preferably, a blocking rod is vertically arranged on the side surface of the vertical plate, the hydraulic cylinder pushes the piston rod and/or the magnetic plate on the piston rod to ascend or descend, the ascending magnetic plate and the magnetic block attract oppositely, the magnetic plate and the magnetic block are attracted together, the piston rod drives the magnetic plate and the magnetic block to descend in the descending process, the magnetic block pulls the connecting steel wire to move on the steering wheel, the flying ring is pulled by the other end of the connecting steel wire, so that the tamping plate is lifted, the magnetic plate and the magnetic block descend along with the piston rod, the magnetic block contacts with the blocking rod in the descending process, the blocking rod blocks the magnetic block in the descending process, the magnetic plate continues to descend under the action of the piston rod, the magnetic plate is separated from the magnetic block, the magnetic plate continues to descend, the attraction force between the magnetic plate and the magnetic block is reduced, the tamping plate descends under the action of gravity, the connecting steel wire is driven to descend, the top plate has a blocking effect on the magnetic blocks in the ascending process, so that the tamping operation is realized, the tamping efficiency and the tamping quality are improved, and the labor intensity of operators is reduced.
Preferably, the connecting plate on the spring in be provided with spacing post perpendicularly, seted up spacing hole on the tamping plate to with spacing post vertical stretch into spacing downthehole, the tamping plate is at the tamping in-process, the tamping plate rocks from top to bottom on the connecting plate through the spring, can avoid the tamping plate to take place transversely to rock at the tamping in-process through spacing post, spacing hole, improve the stability of tamping plate at the tamping in-process, and then improve the tamping quality.
Preferably, the support on be provided with the walking wheel to be provided with brake equipment on the walking wheel, be convenient for tamping machine's the transportation through walking wheel, brake equipment, reduced the intensity of labour of artifical transport, improved work efficiency, can improve the stability of tamping machine in the tamping process through brake equipment, and then improve the tamping quality.
Has the advantages that: the utility model pushes the piston rod and or the magnetic plate on the piston rod to ascend or descend through the hydraulic cylinder, the ascending magnetic plate and the magnetic block attract with each other in opposite polarities, the magnetic plate and the magnetic block are adsorbed together, the piston rod in the descending process drives the magnetic plate and the magnetic block to descend, the magnetic block pulls the connecting steel wire to move on the steering wheel, the other end of the connecting steel wire pulls the lifting ring, thereby the tamping plate is lifted, the magnetic plate and the magnetic block descend along with the piston rod, the magnetic block contacts with the stop lever in the descending process, the stop lever plays a role in blocking the magnetic block in the descending process, the magnetic plate continues to descend under the action of the piston rod, the magnetic plate is separated from the magnetic block, the magnetic plate continues to descend, the suction force of the magnetic plate and the magnetic block is reduced, the tamping plate descends under the action of gravity, the connecting steel wire is driven to descend, one end of the connecting steel wire drives the magnetic block to, the tamping operation is realized, the tamping efficiency and the tamping quality are improved, and the labor intensity of operators is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic view of a part of the structure of the present invention, illustrating the connection structure between the top plate and the fixing groove.
Fig. 4 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the connection plate and the tamper plate.
Fig. 5 is a schematic view of another embodiment of the present invention.
Fig. 6 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the limiting rod and the limiting groove.
In the figure: 1. the device comprises a vertical plate, a top plate, a rotating shaft, a connecting steel wire, a connecting plate, a tamping plate, a hydraulic cylinder, a magnetic plate, a backing plate, a stop lever, a bracket, a traveling wheel, a brake device, a fixing hole, a fixing groove, a fixing plate, a bearing, a steering wheel, a magnetic block, a lifting ring, a limiting column, a spring, a limiting hole, a piston rod, a limiting groove and a counterweight block, wherein the vertical plate, the top plate, the rotating shaft, the connecting steel wire, the connecting plate, the tamping plate, the hydraulic cylinder, the magnetic plate, the backing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The first embodiment is as follows:
as shown in figures 1-4: the utility model provides a rammer compactor for construction, includes riser 1, roof 2, rotation axis 3, connects steel wire 4, connecting plate 5, rammer board 6, pneumatic cylinder 7 and magnetic sheet 8, its characterized in that: the bottom of the vertical plate 1 is provided with a backing plate 9, the backing plate 9 is provided with a support 11, the top plate 2 is arranged on the vertical plate 1, the top plate 2 is provided with a fixing hole 14, two ends of the top plate 2 are provided with fixing grooves 15, the top plate 2 is provided with a fixing plate 16, the fixing plate 16 is provided with a bearing 17, the vertical plate 1 is connected with the backing plate 9 and the top plate 2 through welding, the connecting strength between the vertical plate 1 and the backing plate 9 and the top plate 2 is improved, the structural strength of the tamper is enhanced, the stability of the tamper in the working process is enhanced, two ends of the rotating shaft 3 penetrate through the bearing 17, the rotating shaft 3 is provided with a steering wheel 18, the connecting steel wire 4 is convenient to rotate through the steering wheel 18, so that the connecting plate 5 drives the tamper plate 6 to ascend or descend, the continuous tamper operation of the tamper plate 6 is realized, the tamper efficiency is improved, and the labor intensity of operators is reduced, the connecting steel wire 4 is placed on the steering wheel 18, one end of the connecting steel wire 4 penetrates through the limiting hole 23, the other end of the connecting steel wire 4 penetrates through the fixing groove 15, a magnetic block 19 is arranged at one end of the connecting steel wire 4, the connecting plate 5 is provided with a lifting ring 20, the lifting ring 20 is connected with the connecting steel wire 4, the tamping plate 6 is connected with the connecting plate 5 through a spring 22, the hydraulic cylinder 7 is arranged on the bottom plate, a piston rod 24 is arranged on the hydraulic cylinder 7, the magnetic plate 8 is arranged on the piston rod 24, the hydraulic cylinder 7 pushes the piston rod 24 and the magnetic plate 8 on the piston rod 24 to ascend or descend, the magnetic plate 8 after ascending and the magnetic block 19 attract each other, the magnetic plate 8 and the magnetic block 19 are attracted together, the piston rod 24 in the descending process drives the magnetic plate 8 and the magnetic block 19 to descend, the connecting steel wire 4 is pulled to move on the steering wheel 18 by the 19, so that the lifting, therefore, the tamping plate 6 is lifted, the magnetic plate 8 and the magnetic block 19 descend along with the piston rod 24, the magnetic block 19 is in contact with the blocking rod 10 in the descending process, the blocking rod 10 blocks the magnetic block 19 in the descending process, the magnetic plate 8 continues to descend under the action of the piston rod 24, the magnetic plate 8 is separated from the magnetic block 19, the magnetic plate 8 continues to descend, the suction force between the magnetic plate 8 and the magnetic block 19 is reduced, the tamping plate 6 descends under the action of gravity to drive the connecting steel wire 4 to descend, one end of the connecting steel wire 4 drives the magnetic block 19 to ascend, the connecting steel wire 4 moves in the fixing groove 15, the top plate 2 blocks the magnetic block 19 in the ascending process, the tamping operation is achieved, the tamping efficiency and the tamping quality are improved, and the labor intensity of operators is reduced.
Preferably, a blocking rod 10 is vertically arranged on the side surface of the vertical plate 1, the hydraulic cylinder 7 pushes the piston rod 24 and/or the magnetic plate 8 on the piston rod 24 to ascend or descend, the ascending magnetic plate 8 and the magnetic block 19 attract oppositely, the magnetic plate 8 and the magnetic block 19 are attracted together, the piston rod 24 drives the magnetic plate 8 and the magnetic block 19 to descend in the descending process, the magnetic block 19 pulls the connecting steel wire 4 to move on the steering wheel 18, the other end of the connecting steel wire 4 pulls the hanging ring 20, so that the tamping plate 6 is lifted, the magnetic plate 8 and the magnetic block 19 descend along with the piston rod 24, the magnetic block 19 contacts with the blocking rod 10 in the descending process, the blocking rod 10 blocks the magnetic block 19 in the descending process, the magnetic plate 8 continues to descend under the action of the piston rod 24, the magnetic plate 8 is separated from the magnetic block 19, the magnetic plate 8 continues to descend, the attraction force between the magnetic plate 8 and the magnetic block 19 is reduced, and the tamping, the connecting steel wire 4 is driven to descend, one end of the connecting steel wire 4 drives the magnetic block 19 to ascend, the connecting steel wire 4 moves in the fixing groove 15, the top plate 2 blocks the magnetic block 19 in the ascending process, tamping operation is achieved, tamping efficiency and tamping quality are improved, and labor intensity of operators is reduced.
Preferably, the connecting plate 5 on the spring 22 in be provided with spacing post 21 perpendicularly, spacing hole 23 has been seted up on tamping plate 6 to with spacing post 21 vertical stretch into spacing hole 23 in, tamping plate 6 is at the tamping in-process, tamping plate 6 rocks from top to bottom on connecting plate 5 through spring 22, can avoid tamping plate 6 to take place transversely to rock at the tamping in-process through spacing post 21, spacing hole 23, improve the stability of tamping plate 6 at the tamping in-process, and then improve the tamping quality.
Preferably, the support 11 on be provided with walking wheel 12 to be provided with brake equipment 13 on walking wheel 12, be convenient for the transportation of rammer compactor through walking wheel 12, brake equipment 13, reduced the intensity of labour of artifical transport, improved work efficiency, can improve the stability of rammer compactor in the tamping process through brake equipment 13, and then improve the tamping quality.
Example two:
as shown in figures 5-6: the utility model provides a rammer compactor for construction, includes riser 1, roof 2, rotation axis 3, connects steel wire 4, connecting plate 5, rammer board 6, pneumatic cylinder 7 and magnetic sheet 8, its characterized in that: the bottom of the vertical plate 1 is provided with a backing plate 9, the backing plate 9 is provided with a support 11, the top plate 2 is arranged on the vertical plate 1, the top plate 2 is provided with a fixing hole 14, two ends of the top plate 2 are provided with fixing grooves 15, the top plate 2 is provided with a fixing plate 16, the fixing plate 16 is provided with a bearing 17, the vertical plate 1 is connected with the backing plate 9 and the top plate 2 through welding, the connecting strength between the vertical plate 1 and the backing plate 9 and the top plate 2 is improved, the structural strength of the tamper is enhanced, the stability of the tamper in the working process is enhanced, two ends of the rotating shaft 3 penetrate through the bearing 17, the rotating shaft 3 is provided with a steering wheel 18, the connecting steel wire 4 is convenient to rotate through the steering wheel 18, so that the connecting plate 5 drives the tamper plate 6 to ascend or descend, the continuous tamper operation of the tamper plate 6 is realized, the tamper efficiency is improved, and the labor intensity of operators is reduced, the connecting steel wire 4 is placed on the steering wheel 18, one end of the connecting steel wire 4 penetrates through the limiting hole 23, the other end of the connecting steel wire 4 penetrates through the fixing groove 15, a magnetic block 19 is arranged at one end of the connecting steel wire 4, the connecting plate 5 is provided with a lifting ring 20, the lifting ring 20 is connected with the connecting steel wire 4, the tamping plate 6 is connected with the connecting plate 5 through a spring 22, the hydraulic cylinder 7 is arranged on the bottom plate, a piston rod 24 is arranged on the hydraulic cylinder 7, the magnetic plate 8 is arranged on the piston rod 24, the hydraulic cylinder 7 pushes the piston rod 24 and the magnetic plate 8 on the piston rod 24 to ascend or descend, the magnetic plate 8 after ascending and the magnetic block 19 attract each other, the magnetic plate 8 and the magnetic block 19 are attracted together, the piston rod 24 in the descending process drives the magnetic plate 8 and the magnetic block 19 to descend, the connecting steel wire 4 is pulled to move on the steering wheel 18 by the 19, so that the lifting, therefore, the tamping plate 6 is lifted, the magnetic plate 8 and the magnetic block 19 descend along with the piston rod 24, the magnetic block 19 is in contact with the blocking rod 10 in the descending process, the blocking rod 10 blocks the magnetic block 19 in the descending process, the magnetic plate 8 continues to descend under the action of the piston rod 24, the magnetic plate 8 is separated from the magnetic block 19, the magnetic plate 8 continues to descend, the suction force between the magnetic plate 8 and the magnetic block 19 is reduced, the tamping plate 6 descends under the action of gravity to drive the connecting steel wire 4 to descend, one end of the connecting steel wire 4 drives the magnetic block 19 to ascend, the connecting steel wire 4 moves in the fixing groove 15, the top plate 2 blocks the magnetic block 19 in the ascending process, the tamping operation is achieved, the tamping efficiency and the tamping quality are improved, and the labor intensity of operators is reduced.
Preferably, a blocking rod 10 is vertically arranged on the side surface of the vertical plate 1, the hydraulic cylinder 7 pushes the piston rod 24 and/or the magnetic plate 8 on the piston rod 24 to ascend or descend, the ascending magnetic plate 8 and the magnetic block 19 attract oppositely, the magnetic plate 8 and the magnetic block 19 are attracted together, the piston rod 24 drives the magnetic plate 8 and the magnetic block 19 to descend in the descending process, the magnetic block 19 pulls the connecting steel wire 4 to move on the steering wheel 18, the other end of the connecting steel wire 4 pulls the hanging ring 20, so that the tamping plate 6 is lifted, the magnetic plate 8 and the magnetic block 19 descend along with the piston rod 24, the magnetic block 19 contacts with the blocking rod 10 in the descending process, the blocking rod 10 blocks the magnetic block 19 in the descending process, the magnetic plate 8 continues to descend under the action of the piston rod 24, the magnetic plate 8 is separated from the magnetic block 19, the magnetic plate 8 continues to descend, the attraction force between the magnetic plate 8 and the magnetic block 19 is reduced, and the tamping, the connecting steel wire 4 is driven to descend, one end of the connecting steel wire 4 drives the magnetic block 19 to ascend, the connecting steel wire 4 moves in the fixing groove 15, the top plate 2 blocks the magnetic block 19 in the ascending process, tamping operation is achieved, tamping efficiency and tamping quality are improved, and labor intensity of operators is reduced.
Preferably, the connecting plate 5 on the spring 22 in be provided with spacing post 21 perpendicularly, spacing hole 23 has been seted up on tamping plate 6 to with spacing post 21 vertical stretch into spacing hole 23 in, tamping plate 6 is at the tamping in-process, tamping plate 6 rocks from top to bottom on connecting plate 5 through spring 22, can avoid tamping plate 6 to take place transversely to rock at the tamping in-process through spacing post 21, spacing hole 23, improve the stability of tamping plate 6 at the tamping in-process, and then improve the tamping quality.
Preferably, the support 11 on be provided with walking wheel 12 to be provided with brake equipment 13 on walking wheel 12, be convenient for the transportation of rammer compactor through walking wheel 12, brake equipment 13, reduced the intensity of labour of artifical transport, improved work efficiency, can improve the stability of rammer compactor in the tamping process through brake equipment 13, and then improve the tamping quality.
Preferably, riser 1 on be provided with gag lever post 25, 5 both ends seted up spacing groove 26, insert gag lever post 25 in the spacing groove 26, can play limiting displacement to the connecting plate 5 that reciprocates the in-process through gag lever post 25, spacing groove 26, avoid connecting plate 5 to take place transversely to rock at the tamping in-process, improve the stability of tamping, and then improve tamping efficiency and tamping effect.
Preferably, the connecting plate 5 is provided with a balancing weight 27, and the impact force in the tamping process can be enhanced through the balancing weight 27, so that the tamping effect is enhanced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (4)
1. The utility model provides a rammer compactor for construction, includes riser, roof, rotation axis, connects steel wire, connecting plate, rammer plate, pneumatic cylinder and magnetic sheet, its characterized in that: the connecting device is characterized in that a base plate is arranged at the bottom of the vertical plate, a support is arranged on the base plate, the top plate is arranged on the vertical plate, a fixing hole is formed in the top plate, fixing grooves are formed in two ends of the top plate, a fixing plate is arranged on the top plate, a bearing is arranged on the fixing plate, two ends of the rotating shaft penetrate through the bearing, a steering wheel is arranged on the rotating shaft, the connecting steel wire is placed on the steering wheel, one end of the connecting steel wire penetrates through the limiting hole, the other end of the connecting steel wire penetrates through the fixing groove, a magnetic block is arranged at one end of the connecting steel wire, a lifting ring is arranged on the connecting plate and connected with the connecting steel wire, the tamping plate is connected with the connecting plate through a spring, the hydraulic cylinder is arranged on the bottom plate, a piston rod is arranged.
2. The rammer compactor for construction according to claim 1, wherein: and a stop lever is vertically arranged on the side surface of the vertical plate.
3. The rammer compactor for construction according to claim 1, wherein: the spring on the connecting plate is internally and vertically provided with a limiting column, the tamping plate is provided with a limiting hole, and the limiting column vertically extends into the limiting hole.
4. The rammer compactor for construction according to claim 1, wherein: the support on be provided with the walking wheel to be provided with brake equipment on the walking wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922144095.5U CN211596734U (en) | 2019-12-04 | 2019-12-04 | Rammer compactor for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922144095.5U CN211596734U (en) | 2019-12-04 | 2019-12-04 | Rammer compactor for construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211596734U true CN211596734U (en) | 2020-09-29 |
Family
ID=72590448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922144095.5U Expired - Fee Related CN211596734U (en) | 2019-12-04 | 2019-12-04 | Rammer compactor for construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211596734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117988315A (en) * | 2024-04-07 | 2024-05-07 | 福建省泷陌贸易有限公司 | Rammer compactor for building construction |
-
2019
- 2019-12-04 CN CN201922144095.5U patent/CN211596734U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117988315A (en) * | 2024-04-07 | 2024-05-07 | 福建省泷陌贸易有限公司 | Rammer compactor for building construction |
| CN117988315B (en) * | 2024-04-07 | 2024-06-07 | 福建省泷陌贸易有限公司 | Rammer compactor for building construction |
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| GR01 | Patent grant | ||
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Granted publication date: 20200929 |