CN207959177U - Hand-held battering ram - Google Patents
Hand-held battering ram Download PDFInfo
- Publication number
- CN207959177U CN207959177U CN201820342401.9U CN201820342401U CN207959177U CN 207959177 U CN207959177 U CN 207959177U CN 201820342401 U CN201820342401 U CN 201820342401U CN 207959177 U CN207959177 U CN 207959177U
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- handle
- battering ram
- damping
- gear
- box
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Abstract
Hand-held battering ram provided by the utility model belongs to battering ram technical field, including handle, gear-box, engine and battering ram ontology, it is characterised in that：The handle is connect by damping with gear-box both sides；One end of the engine and gear-box connects；Gear-box bottom, and the length by covering the elevating mechanism control battering ram ontology insertion gear-box for being through battering ram outer body are inserted into the top of the battering ram ontology；The battering ram ontology, which also covers, is installed with dust cover, and the dust cover is located at below elevating mechanism；The battering ram body bottom portion is equipped with shock plate.Hand-held battering ram provided by the utility model reduces operator using the vibrations being subject to during battering ram, reduces the physical demands of operator, improve the working efficiency of battering ram using the damping of connection handle and gear-box.
Description
Technical field
The utility model belongs to battering ram technical field, is to be related to a kind of hand-held battering ram more specifically.
Background technology
Battering ram is a kind of compacting machinary using impact and impact vibration effect compaction in layers backfill, is widely used in and builds
It builds, the construction in the narrow place such as roadbed, bridge pier, groove.When battering ram works, it is necessary to have operator's hands grasping battering ram
Handle controls, to controlling the balance of battering ram.Because battering ram is to tamp ground in a manner of beat type, vibration frequency
Height, and vibration amplitude is big.The handle of common battering ram is mostly simple rod-like structure currently on the market, therefore is being used
During, since the hand of operator can be directly by the stronger vibrations of battering ram, the vibration amplitude when battering ram uses
Use that is excessive and influencing operator, and physical demands of the battering ram to operator is improved, to reduce impact
The working efficiency of rammer.
Utility model content
The purpose of this utility model is to provide a kind of hand-held battering rams, it is intended to reduce operator by damping
The problem of using being given a shock during battering ram.
To achieve the above object, the technical solution adopted in the utility model is：A kind of hand-held battering ram, including hand are provided
Handle, gear-box, engine and battering ram ontology, it is characterised in that：The handle is connect by damping with gear-box both sides；
One end of the engine and gear-box connects；Gear-box bottom is inserted at the top of the battering ram ontology, and is through by set
The elevating mechanism control battering ram ontology of battering ram outer body is inserted into the length of gear-box；The battering ram ontology, which also covers, to be installed with
Dust cover, the dust cover are located at below elevating mechanism；The battering ram body bottom portion is equipped with shock plate.
Optionally, the damping includes the damper of two V-type settings, and one end of two dampers passes through rotation axis
It is connect with gear-box, the other end of two dampers is fixedly connected with handle；Each damper includes the first groove, the second groove
With damping connecting rod；First groove is fixedly connected with handle, and second groove is connect by rotation axis with gear-box；Institute
Damping connecting rod both ends are stated to be inserted into respectively in the first groove and the second groove；Damping connecting rod both ends cover respectively is installed with first
Damping spring and the second damping spring；First damping spring one end is fixedly connected with the first groove, the other end be set to
The first damping spring catch on the outside of damping connecting rod is fixedly connected；Second damping spring one end is fixed with the second groove to be connected
It connects, the other end is fixedly connected with the second damping spring catch being set on the outside of damping connecting rod.
Optionally, the handle includes the first connecting plate, the second connecting plate and handle；First connecting plate lower surface with
Damping connects, and first connecting plate upper surface is vertically equipped with multiple first handle springs being distributed at array format；Institute
The other end for stating first handle spring is fixedly connected with the second connecting plate lower surface, and it is recessed that second connecting plate one end is equipped with handle
Slot；Described handle one end is equipped with second handle spring, and the handle is connected by second handle spring and the inner wall of handle cavity.
Optionally, the handle includes two L-type handle connecting rods and the handle cross bar that is fixed between handle connecting rod.
Optionally, the second handle spring is symmetricly set on the both sides and top of handle connecting rod one end.
Optionally, the handle sleeve is installed with the Anti-slip cover of rubber material.
Optionally, the elevating mechanism includes the support platform that set is through battering ram outer body, and is arranged described
Telescopic rod in support platform；The top of the telescopic rod is connect with gear-box bottom.
Optionally, the shock plate includes from top to bottom sequentially connected first shock plate, the second shock plate and third punching
Hit plate；First shock plate and third shock plate are stainless steel plate, and second shock plate is plank.
Optionally, the ripple struction that the dust cover is folded at arc-shaped；It is set on the inside of the dust cover both ends flexible
Sealing ring, outside are equipped with shell ring.
The advantageous effect of hand-held battering ram provided by the utility model is：Compared with prior art, the utility model,
Using the damping of connection handle and gear-box, operator is reduced using the vibrations being subject to during battering ram, reduces behaviour
The physical demands of control personnel improves the working efficiency of battering ram.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the side structure schematic view for the hand-held battering ram that the utility model embodiment provides；
Fig. 2 is the shock absorber structure schematic diagram that the utility model embodiment provides；
Fig. 3 is the side structure schematic view for the handle that the utility model embodiment provides；
Fig. 4 is the overlooking structure diagram for the handle that the utility model embodiment provides；
Fig. 5 is the side structure schematic view for the shock plate that the utility model embodiment provides；
In figure：1, handle, 2, gear-box, 3, engine, 4, battering ram ontology, 5, damping, 6, elevating mechanism, 7, anti-
Dust hood, 8, shock plate, 9, rotation axis, 10, telescopic rod, 11, support platform, the 12, first groove, the 13, second groove, 14, damping
Connecting rod, the 15, first damping spring, the 16, second damping spring, the 17, first damping spring catch, the 18, second damping spring gear
Piece, the 19, first connecting plate, the 20, second connecting plate, 21, first handle spring, 22, handle cavity, 23, second handle spring,
24, handle connecting rod, 25, handle cross bar, 26, Anti-slip cover, the 27, first shock plate, the 28, second shock plate, 29, third shock plate.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Referring to Fig. 1, existing illustrate hand-held battering ram provided in this embodiment.The hand-held battering ram, packet
Handle 1, gear-box 2, engine 3 and battering ram ontology 4 are included, handle is connect by damping 5 with 2 both sides of gear-box；Start
Machine 3 is connect with one end of gear-box 2；2 bottom of gear-box is inserted at the top of battering ram ontology 4, and is through battering ram sheet by set
The elevating mechanism 6 in 4 outside of body controls the length that battering ram ontology 4 is inserted into gear-box 2；Battering ram ontology 4, which also covers, is installed with dust cover
7, dust cover 7 is located at 6 lower section of elevating mechanism；4 bottom of battering ram ontology is equipped with shock plate 8.
Specifically, in the battering ram course of work, connecting the damping 5 of handle 1 and gear-box 2 reduces battering ram sheet
The vibrations that body 4 generates are transferred to from handle 1 on operator's arm.Engine 3 is internal combustion engine, or genemotor,
Either air compression engine.The power of engine 4 passes through the components such as the clutch, gear, the connecting rod that are arranged in gear-box 2
It is transmitted on the shock plate 8 of 4 bottom of battering ram ontology, makes 8 vertical tremor of shock plate, to carry out shock ramming to ground.Set
The length that battering ram ontology 4 is inserted into 2 bottom of gear-box can be controlled by being through the elevating mechanism 6 in 4 outside of battering ram ontology, to control
The height of hand-held battering ram processed, convenient for the use of the operator of different heights.In the lower section of elevating mechanism 6, battering ram sheet
Body 4, which is also worn, is useful for preventing dust or other pollutants from entering the dust cover 7 inside battering ram ontology 4.
Hand-held battering ram provided by the utility model is subtracted using connection handle and gear-box compared with prior art
Mechanism is shaken, operator is reduced using the vibrations being subject to during battering ram, reduces the physical demands of operator, improve impact
The working efficiency of rammer.
Optionally, it please refers to Fig.1 and Fig. 2, a kind of specific embodiment party as hand-held battering ram provided in this embodiment
Formula, the damping 5 include the damper of two V-type settings, and one end of two dampers passes through rotation axis 9 and gear-box 2
Connection, the other end of two dampers are fixedly connected with handle 1；Each damper includes the first groove 12,13 and of the second groove
Damping connecting rod 14；First groove 12 is fixedly connected with handle 1, and second groove 13 passes through rotation axis 9 and gear-box 2
Connection；14 both ends of damping connecting rod are inserted into respectively in the first groove 12 and the second groove 13；14 liang of the damping connecting rod
Set is installed with the first damping spring 15 and the second damping spring 16 respectively at end；Described first damping spring, 15 one end and the first groove 12
It is fixedly connected, the other end is fixedly connected with the first damping spring catch 17 for being set to 14 outside of damping connecting rod；Described second
16 one end of damping spring is fixedly connected with the second groove 13, the other end and the second damping bullet for being set to 14 outside of damping connecting rod
Spring catch 18 is fixedly connected.
Specifically, damping 5 includes into the identical damper of two structures of V-type setting.Two damper one end are logical
It crosses rotation axis 9 to connect with gear-box 2, the other end of two dampers is fixedly connected with the both ends of 1 bottom of handle respectively, to shape
At the damping of V-type.The identical damper of two structures of V-type setting can not only ram shock absorbing in the vertical direction
The vibrations of ontology 4, and the vibrations generated in horizontal direction in battering ram motion process can be buffered in.Damper includes first
Groove 12, the second groove 13 and damping connecting rod 14.First groove 12 is fixedly connected with handle 1, and the second groove 13 passes through rotation
Axis 9 is connect with the both sides of gear-box 2.Second groove 13 is fixedly connected with rotation axis 9, and rotation axis 9 is rotatablely connected with gear-box 2,
To when rotation axis 9 rotates, damping 5 be driven to rotate, and then handle 1 is made to occur to turn relative to gear-box 2
It is dynamic, handle 1 can be held at a certain angle convenient for operator, reduces physical demands, improve working efficiency.Damping connecting rod 14
Both ends are inserted into respectively in the first groove 12 and the second groove 13, and 14 both ends of damping connecting rod cover be installed with the first damping bullet respectively
Spring 15 and the second damping spring 16,15 one end of the first damping spring are fixedly connected with the first groove 12, and the other end subtracts with being set to
The first damping spring catch 17 in 14 outside of shake connecting rod is fixedly connected, and 16 one end of the second damping spring is fixed with the second groove 13
Connection, the other end are fixedly connected with the second damping spring catch 18 for being set to 14 outside of damping connecting rod.When battering ram ontology 4
When shaking, damping connecting rod 14 generates opposite reciprocating motion between the first groove 12 and the second groove 13, and first
Damping spring 15 and the second damping spring 16 rise between the both ends of damping connecting rod 14 and the first groove 12 and the second groove 13
To the effect for dropping to vibrations, the vibrations that 14 relative motion of damping connecting rod generates are reduced, while damping connecting rod 14 subtracts to first
Shake spring 15 and the second damping spring 16 play the role of support, reduce the first damping spring 15 and the second damping spring 16 occurs
The probability of fracture.
Optionally, it please refers to Fig.1, Fig. 3 and Fig. 4, a kind of specific reality as hand-held battering ram provided in this embodiment
Mode is applied, the handle 1 includes the first connecting plate 19, the second connecting plate 20 and handle；First connecting plate, 19 lower surface with
Damping 5 connects, and 19 upper surface of the first connecting plate is vertically equipped with multiple first handle springs being distributed at array format
21；The other end of the first handle spring 21 is fixedly connected with 20 lower surface of the second connecting plate, second connecting plate 20 1
End is equipped with handle cavity 22；Described handle one end be equipped with second handle spring 23, the handle by second handle spring 23 with
The inner wall of handle cavity 22 connects.
Specifically, handle 1 includes the first connecting plate 19, the second connecting plate 20 and handle.The lower surface of first connecting plate 19
Be fixedly connected with the first groove of damping 5,19 upper surface of the first connecting plate vertically be equipped with it is multiple at array format distribution
First handle spring 21, first handle spring 21 can be along 19 length direction of the first connecting plate and the equidistant array of width direction
Distribution, can also be the array distribution by being repeated after several 21 composition rule figures of first handle spring, first handle
The other end of spring 21 is fixedly connected with one end of 20 lower surface of the second connecting plate, to which first handle spring 21 is in the first connection
Play the role of reducing vibrations between plate 19 and the second connecting plate 20.It is equipped with handle in the upper surface of 20 other end of the second connecting plate
One end of groove 22, handle is inserted into handle cavity 22, and recessed with handle in handle one end second handle spring 23 by being arranged
The inner wall of slot 22 connects, and second handle spring 23 plays the work of reduction vibrations again between handle and handle cavity 22
With.Pass through the cushioning effect of first handle spring 21 and second handle spring 23 so that operator is in the mistake using battering ram
Cheng Zhong, arm will not be by excessive vibrations, to reduce the physical demands of operator.
Optionally, Fig. 3 and Fig. 4 is please referred to, a kind of specific embodiment party as hand-held battering ram provided in this embodiment
Formula, the handle include two L-type handle connecting rods 24 and the handle cross bar 25 that is fixed between handle connecting rod 24.
Specifically, handle includes two handle connecting rods 24 and a handle cross bar 25,24 l-shaped of handle connecting rod, handle company
The shorter one end of bar 24 is inserted into handle cavity 22 to be connect with the second connecting plate 20, and handle cross bar 25 is fixedly connected on handle connecting rod
Between 24 longer one end, operator controls the traffic direction of battering ram by hand steered handle cross bar 25.
Optionally, Fig. 3 and Fig. 4 is please referred to, a kind of specific embodiment party as hand-held battering ram provided in this embodiment
Formula, the second handle spring 23 are symmetricly set on the both sides of 24 one end of handle connecting rod.
Specifically, second handle spring 23 is two both sides for being symmetricly set on 24 one end of handle connecting rod, and along battering ram
The direction of motion is arranged so that when operator pushes handle, can also be protected by damping.Second handle spring 23 is also
It is arranged at the top of one end that handle connecting rod 24 is connect with handle cavity 22, slows down vibrations in the vertical direction.
Optionally, Fig. 3 and Fig. 4 is please referred to, a kind of specific embodiment party as hand-held battering ram provided in this embodiment
Formula, the handle sleeve are installed with the Anti-slip cover 26 of rubber material.
Specifically, the Anti-slip cover 26 that set is through on handle effectively can prevent handle from surprisingly slipping, and make operator couple
Battering ram is out of hand, and rubber material has insulation characterisitic, prevents operator from passing through handle accidental shock.
Optionally, referring to Fig. 1, a kind of specific implementation mode as hand-held battering ram provided in this embodiment, institute
It includes the support platform 11 that set is through 4 outside of battering ram ontology to state elevating mechanism 6, and is arranged in the support platform 11
Telescopic rod 10；The top of the telescopic rod 10 is connect with 2 bottom of gear-box.
Specifically, elevating mechanism 6 includes support platform 11 and telescopic rod 10, and 11 fixing sleeve of support platform is through battering ram sheet
4 outside of body.The bottom end of telescopic rod 10 is connect with 11 upper surface of support platform, and top end is connect with 2 bottom of gear-box, passes through control
Telescopic rod 10 is stretched or is shunk, and control battering ram ontology 4 is inserted into the length of gear-box 2, to realize control hand-held battering ram
Height, convenient for different heights operator use.
Optionally, referring to Fig. 5, a kind of specific implementation mode as hand-held battering ram provided in this embodiment, institute
It states shock plate 8 and includes from top to bottom sequentially connected first shock plate 27, the second shock plate 28 and third shock plate 29；Described
One shock plate 27 and third shock plate 29 are stainless steel plate, and second shock plate 28 is plank.
Specifically, shock plate 8 includes from top to bottom sequentially connected first shock plate 27, the second shock plate 28 and third punching
Plate 29 is hit, by increasing the second wooden shock plate between the first shock plate 27 and third shock plate 29 of stainless steel steel material
28, reduce the vibrations that shock plate 8 generates.First shock plate 27, the second shock plate 28 and third shock plate 29 can pass through bolt
It is fixedly connected.
Optionally, referring to Fig. 1, a kind of specific implementation mode as hand-held battering ram provided in this embodiment, institute
State the ripple struction that dust cover 7 is folded at arc-shaped；Flexible sealing ring is set on the inside of 7 both ends of the dust cover, outside is equipped with
Shell ring.
Specifically, the ripple struction that dust cover 7 is folded at arc-shaped, ripple struction can shake in battering ram ontology 4
It stretches and shrinks in journey.Flexible sealing ring is set on the inside of 7 both ends of dust cover, outside, which is equipped with shell ring, effectively to be impacted
It rams 4 outside of ontology and plays sealing function, place the pollutants such as dust and enter in battering ram ontology 4.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (9)
1. hand-held battering ram, including handle, gear-box, engine and battering ram ontology, it is characterised in that：The handle passes through
Damping is connect with gear-box both sides；One end of the engine and gear-box connects；It inserts at the top of the battering ram ontology
Enter gear-box bottom, and the length by covering the elevating mechanism control battering ram ontology insertion gear-box for being through battering ram outer body
Degree；The battering ram ontology, which also covers, is installed with dust cover, and the dust cover is located at below elevating mechanism；The battering ram body bottom portion
Equipped with shock plate.
2. hand-held battering ram as described in claim 1, it is characterised in that：The damping includes two V-type settings
One end of damper, two dampers is connect by rotation axis with gear-box, and the other end of two dampers is fixed with handle to be connected
It connects；Each damper includes the first groove, the second groove and damping connecting rod；First groove is fixedly connected with handle, institute
The second groove is stated to connect with gear-box by rotation axis；The first groove and the second groove are inserted into damping connecting rod both ends respectively
It is interior；Damping connecting rod both ends cover respectively is installed with the first damping spring and the second damping spring；First damping spring one
End is fixedly connected with the first groove, and the other end is fixedly connected with the first damping spring catch being set on the outside of damping connecting rod；
Second damping spring one end is fixedly connected with the second groove, the other end and the second damping being set on the outside of damping connecting rod
Spring stop piece is fixedly connected.
3. hand-held battering ram as described in claim 1, it is characterised in that：The handle includes the first connecting plate, the second company
Fishplate bar and handle；First connecting plate lower surface is connect with damping, and first connecting plate upper surface is vertically equipped with more
A first handle spring being distributed at array format；The other end of the first handle spring is fixed with the second connecting plate lower surface
Connection, second connecting plate one end are equipped with handle cavity；Described handle one end is equipped with second handle spring, and the handle passes through
Second handle spring and the inner wall of handle cavity connect.
4. hand-held battering ram as claimed in claim 3, it is characterised in that：The handle include two L-type handle connecting rods and
The handle cross bar being fixed between handle connecting rod.
5. hand-held battering ram as claimed in claim 4, it is characterised in that：The second handle spring is symmetricly set on handle
The both sides and top of connecting rod one end.
6. hand-held battering ram as claimed in claim 3, it is characterised in that：The handle sleeve is installed with the anti-skidding of rubber material
Set.
7. hand-held battering ram as described in claim 1, it is characterised in that：The elevating mechanism includes that set is through battering ram sheet
The support platform of external side, and the telescopic rod that is arranged in the support platform；The top of the telescopic rod and gear-box bottom
Portion connects.
8. hand-held battering ram as described in claim 1, it is characterised in that：The shock plate includes from top to bottom being sequentially connected
The first shock plate, the second shock plate and third shock plate；First shock plate and third shock plate are stainless steel plate, described
Second shock plate is plank.
9. hand-held battering ram as described in claim 1, it is characterised in that：The ripple knot that the dust cover is folded at arc-shaped
Structure；Flexible sealing ring is set on the inside of the dust cover both ends, outside is equipped with shell ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820342401.9U CN207959177U (en) | 2018-03-13 | 2018-03-13 | Hand-held battering ram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820342401.9U CN207959177U (en) | 2018-03-13 | 2018-03-13 | Hand-held battering ram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207959177U true CN207959177U (en) | 2018-10-12 |
Family
ID=63742505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820342401.9U Expired - Fee Related CN207959177U (en) | 2018-03-13 | 2018-03-13 | Hand-held battering ram |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207959177U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371796A (en) * | 2018-12-11 | 2019-02-22 | 哈尔滨理工大学 | A kind of dismounting device of high pressure pulse discharge breaking concrete component |
| CN109403212A (en) * | 2018-11-08 | 2019-03-01 | 泉州台商投资区华林设计有限公司 | A kind of bridge construction vibreatory hammer |
| CN111472342A (en) * | 2020-05-09 | 2020-07-31 | 刘海涛 | Rammer compactor with rammer head convenient to replace |
| CN113431021A (en) * | 2020-03-23 | 2021-09-24 | 东阳市鼎元建设有限公司 | Replaceable working component's battering ram for repairing roads |
-
2018
- 2018-03-13 CN CN201820342401.9U patent/CN207959177U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403212A (en) * | 2018-11-08 | 2019-03-01 | 泉州台商投资区华林设计有限公司 | A kind of bridge construction vibreatory hammer |
| CN109403212B (en) * | 2018-11-08 | 2021-06-01 | 青岛巨源建工集团有限公司 | Vibration pile driver is used in bridge construction |
| CN109371796A (en) * | 2018-12-11 | 2019-02-22 | 哈尔滨理工大学 | A kind of dismounting device of high pressure pulse discharge breaking concrete component |
| CN109371796B (en) * | 2018-12-11 | 2020-10-16 | 哈尔滨理工大学 | Demolition device for high-voltage pulse discharge concrete crushing member |
| CN113431021A (en) * | 2020-03-23 | 2021-09-24 | 东阳市鼎元建设有限公司 | Replaceable working component's battering ram for repairing roads |
| CN113431021B (en) * | 2020-03-23 | 2023-04-28 | 东阳市鼎元建设有限公司 | Impact rammer capable of replacing working parts for repairing road |
| CN111472342A (en) * | 2020-05-09 | 2020-07-31 | 刘海涛 | Rammer compactor with rammer head convenient to replace |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20190313 |
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| CF01 | Termination of patent right due to non-payment of annual fee |