CN216107941U - Road surface rammer compactor special for repairing road - Google Patents
Road surface rammer compactor special for repairing road Download PDFInfo
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- CN216107941U CN216107941U CN202122492957.0U CN202122492957U CN216107941U CN 216107941 U CN216107941 U CN 216107941U CN 202122492957 U CN202122492957 U CN 202122492957U CN 216107941 U CN216107941 U CN 216107941U
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- 238000012544 monitoring process Methods 0.000 description 4
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- 230000009471 action Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
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Abstract
The utility model provides a road surface rammer compactor special for road repair, which comprises: the device comprises a supporting stand column, a cylindrical linear motor and a tamping device, wherein the cylindrical linear motor is arranged at the upper part of one side of the supporting stand column, a sliding block is arranged at the bottom of a reciprocating sliding rod of the cylindrical linear motor, and the cylindrical linear motor can drive the sliding block to slide up and down in a reciprocating manner; the tamping device is arranged on the lower side of the cylindrical linear motor and comprises a tamping block and a tamping hammer, wherein the tamping block is connected with a sliding block, and the tamping hammer is arranged on the bottom end face of the tamping block. The cylindrical linear motor is utilized to realize flexible control of the reciprocating motion speed of the sliding block, the regulation and control precision is higher, the operation is simple and easy, and then the control of the tamping strength can be adjusted and controlled by constructors according to the soil quality and the softness degree of the road surface, and the tamping efficiency of the road surface is improved.
Description
Technical Field
The utility model relates to a pavement tamper special for repairing roads.
Background
At present, the road surface needs to be tamped in the construction process of a building, so that the bearing strength of the road surface is improved, and the road surface is prevented from collapsing.
In the related art, the road surface is mostly tamped by a hydraulic tamper with a free drop hammer or a forced drop hammer, the working principle is that the tamper lifted to a certain height falls down under the action of gravity in an accelerated manner and reciprocates under the action of a hydraulic cylinder to hit a tamping plate with a cushion pad at a high speed, the ground is tamped indirectly, different positions need to be tamped under the traction of a moving machine, but when the road surface is tamped by the hydraulic tamper, the lifting speed of the tamper is slow, the adjusting precision of the tamping strength of the tamper is low, the tamping strength is not effectively adjusted and controlled, and the road surface tamping efficiency is low.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
the accuracy of adjusting the tamping strength is low, and effective adjusting and controlling of the tamping strength is lacked.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pavement tamper special for repairing roads, which aims to solve the problems of how to effectively adjust and control the tamping strength and improve the adjusting accuracy of the tamping strength.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a special road surface rammer compactor repairs roads which characterized in that includes:
a support column (100);
the cylindrical linear motor (200) is arranged at the upper part of one side of the support upright post (100), a sliding block (220) is arranged at the bottom of a reciprocating sliding rod (210) of the cylindrical linear motor (200), and the cylindrical linear motor (200) can drive the sliding block (220) to slide up and down in a reciprocating manner;
the compaction device (300) is arranged on the lower side of the cylindrical linear motor (200) and comprises a compaction block (310) and a compaction hammer (320), wherein the compaction block (310) is connected with the sliding block (220), and the compaction hammer (320) is arranged on the bottom end face of the compaction block (310).
Preferably, the rammer block (310) is detachably connected with the rammer (320), and the edge of the bottom end surface of the rammer (320) has a radian.
Preferably, a guide mechanism (400) for slidably guiding the slider (220) is provided on the support column (100).
Further, the guide mechanism (400) comprises two guide rods (410), the two guide rods (410) are vertically and fixedly arranged on one side of the support upright post (100) in parallel, one side of the sliding block (220) is sleeved on the two guide rods (410), and the sliding block (220) can freely slide relative to the guide rods (410).
Furthermore, the guide rod (410) is sleeved in a sliding bearing which is correspondingly arranged on the sliding block (220).
Preferably, the method further comprises the following steps:
the chassis (500) is arranged at the bottom of the support upright post (100), a tamping hole (510) is arranged on the inner side of one end of the chassis (500), and the tamping hammer (320) and the tamping hole (510) are correspondingly arranged.
The special road surface rammer compactor of repairing road, its characterized in that still includes:
a support frame (600) arranged on the upper side of the other end of the chassis (500);
the control armrest (700) is perpendicular to the support frame (600), and the control armrest (700) is connected with the support frame (600) through a connecting buckle.
Further, a plurality of infrared locators (511) are obliquely arranged on the inner side wall of the tamping hole (510), and the irradiation points of the infrared locators (511) coincide with the falling points of the rammers (320).
Further, a noise reduction device (800) is arranged at the edge of the outer side of the tamping hole (510), and the top end surface of the noise reduction device (800) is flush with the top end surface of the support upright post (100).
Further, the noise reduction apparatus (800) includes:
the mask body (810) is uniformly provided with a plurality of strip-shaped holes (820);
and sound absorption cotton arranged inside the cover body (810).
The utility model has the beneficial effects that: the support structure can be provided for the cylindrical linear motor and the tamping device through the support upright post, so that the cylindrical linear motor and the tamping device can stably run on one side of the support upright post, meanwhile, the speed of the reciprocating motion of the control slide block can be flexibly adjusted by utilizing the electric control characteristic of the cylindrical linear motor, when the sliding speed of the slide block is accelerated, the tamping block connected with the slide block can be driven to quickly fall down to the road surface, so that the tamping hammer connected with the tamping block is driven to quickly fall down to the road surface, high-strength tamping on the road surface is realized, when the sliding speed of the slide block is slowed down, the tamping block connected with the slide block can be driven to slowly fall down to the road surface, so that the tamping hammer connected with the tamping block is driven to slowly fall down to the road surface, low-strength tamping on the road surface is realized, effective adjustment and control on the tamping strength on the road surface is realized, and the adjustment precision is higher in an electric control mode, simple easy operation, and then be favorable to realizing that constructor can adjust control intensity of ramming according to the soil property and the soft degree on road surface, improves the efficiency of ramming on road surface.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are part of the preferred embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
in the figure: 100 supporting upright posts, 110 electric control boxes, 200 cylindrical linear motors, 210 reciprocating sliding rods, 220 sliding blocks, 300 tamping devices, 310 tamping blocks, 320 tamping hammers, 400 guiding mechanisms, 410 guiding rods, 500 chassis, 510 tamping holes, 511 infrared positioners, 600 supporting frames, 610 transverse supporting plates, 620 vertical supporting rods, 630 monitoring display screens, 700 control handrails, 800 noise reduction devices, 810 covers and 820 strip-shaped holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the specific embodiments and accompanying drawings 1-2, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar modifications without departing from the spirit of the utility model, and therefore the utility model is not limited to the specific embodiments disclosed below.
The embodiment of the present disclosure provides a road surface rammer compactor special for repairing roads, including: a support column 100, a cylindrical linear motor 200 and a tamping device 300; the cylindrical linear motor 200 is arranged at the upper part of one side of the support upright post 100, a sliding block 220 is arranged at the bottom of a reciprocating sliding rod 210 of the cylindrical linear motor 200, and the cylindrical linear motor 200 can drive the sliding block 220 to slide up and down in a reciprocating manner; the tamping device 300, which is disposed at the lower side of the cylindrical linear motor 200, includes a tamping block 310 and a tamping hammer 320, wherein the tamping block 310 is connected with the sliding block 220, and the tamping hammer 320 is disposed at the bottom end surface of the tamping block 310.
By adopting the special road surface tamper for repairing roads provided by the embodiment of the disclosure, a supporting structure can be provided for the cylindrical linear motor 200 and the tamper device 300 through the supporting upright post 100, so that the cylindrical linear motor 200 and the tamper device 300 can stably run on one side of the supporting upright post 100, meanwhile, the speed of the reciprocating motion of the slider 220 can be flexibly adjusted and controlled by utilizing the electric control characteristic of the cylindrical linear motor 200, when the sliding speed of the slider 220 is increased, the tamper 310 connected with the slider is driven to rapidly fall down to the road surface, and then the tamper 320 connected with the tamper 310 is driven to rapidly fall down to the road surface, so as to realize high-strength tamping to the road surface, when the sliding speed of the slider 220 is reduced, the tamper 310 connected with the slider is driven to slowly fall down to the road surface, and then the tamper 320 connected with the tamper 310 is driven to slowly fall down to the road surface, so as to realize low-strength tamping to the road surface, thereby realize carrying out regulation and control effectively to the intensity of ramming on road surface to the mode of automatically controlled regulation, the regulation and control precision is higher, and simple easy operation, and then is favorable to realizing that constructor can adjust control intensity of ramming according to the soil property and the soft degree on road surface, improves the efficiency of ramming on road surface.
Optionally, an electronic control box 110 is disposed on the top end surface of the support pillar 100, and the electronic control box 110 is electrically connected to the cylindrical linear motor 200. Like this, make cylindrical linear electric motor 200 be connected with automatically controlled box 110, the running state of the cylindrical linear electric motor 200 of accessible automatically controlled box 110 regulation control, change the sliding speed of slider 220, and then realize the sliding speed with automatically controlled mode regulation control slider 220, slide through slider 220 and drive ram 320 and ram to the road surface, thereby be favorable to realizing carrying out the regulation control effectively to ramming intensity, improve the regulation accuracy of ramming intensity, improve the intensity and the ramming efficiency that ram 320 tamped the road surface.
It can be understood that the cylindrical linear motor 200 has a simple structure, does not need an additional device for changing the rotation motion into the linear motion, can do the linear reciprocating motion, and meanwhile, the cylindrical linear motor 200 has high positioning precision, and the linear motor can realize the direct transmission at the place where the linear motion is needed, so that various positioning errors caused by intermediate links can be eliminated, if the microcomputer control is adopted, the positioning precision of the whole system can be greatly improved, and the cylindrical linear motor 200 has high response speed, high sensitivity, good follow-up property, can also realize the non-contact transmission force, and the mechanical friction loss is almost zero, so that the faults are few, the maintenance is avoided, the work is safe and reliable, and the service life is long, therefore, the cylindrical linear motor 200 is beneficial to realizing the precise regulation and control of the tamping intensity of the tamping hammer, and the tamping efficiency of the tamping hammer is improved.
Optionally, the ram 310 is removably coupled to the ram 320, and the bottom end surface of the ram 320 has a curvature at its edge. Like this, ram 310 is detachable with ram 320 and is connected, can realize installing fast conveniently and dismantling ram 320, be favorable to constructor to change the ram 320 of installing different models according to the soil property on road surface and soft degree, improve the efficiency of ramming on road surface, the edge of the bottom face of ram 320 has the radian simultaneously, can form the buffering arcwall face in the bottom face edge of ram 320, when ram 320 falls down fast and ram the road surface, can reduce the impact damage of the hard thing on the road surface to the edge of ram 320, thereby improve the life of ram 320, and save cost.
Optionally, ram 310 and ram 320 are pinned. Therefore, the pin shaft connection structure is simple, and the pin shaft connection structure is convenient to disassemble and assemble.
Alternatively, the ram 310 is a fan-shaped structure, the ram 320 is a cylindrical structure, and the diameter of the ram 310 is greater than the diameter of the ram 320. Thus, the rammer 320 is favorably arranged on the bottom end surface of the rammer block 310, the bearing area of the rammer block 310 is increased, the rammer block 310 can be prevented from being damaged by impact force caused when the rammer 320 tamps a road surface, and the service life of the rammer 320 is prolonged.
Optionally, the arc is 6 ° or more and 10 ° or less. Like this, make the radian setting in comparatively reasonable within range, be favorable to forming the buffering arcwall face in the edge of the bottom face of rammer 320 to when rammer 320 tamped the road surface, reduce the hard thing on the road surface and cause the impact damage to the edge of rammer 320.
Optionally, the arc is 8 °. Like this, the angle setting is predetermine to the messenger sets up to more reasonable numerical value, is favorable to forming the buffering arcwall face of preferred at the edge of the bottom face of ram 320 to when ram 320 tamps the road surface, reduce the hard thing on the road surface and cause the impact damage to the edge of ram 320.
Optionally, the area of the bottom end face of the slider 220 is smaller than the area of the top end face of the tamp 310. Thus, the bearing area of the top end surface of the ramming block 310 can be increased, the bottom end surface of the sliding block 220 can fall on the top end surface of the ramming block 310, the sliding block 220 can be better installed and fixed on the top end surface of the ramming block 310, the weight of the top of the ramming hammer 320 can be increased by installing and fixing the sliding block 220 and the ramming block 310 together, the ramming strength of the ramming hammer 320 can be increased when the ramming hammer 320 falls to the road surface for ramming, and the ramming efficiency of the ramming hammer 320 on the road surface can be effectively increased.
Optionally, the sliding block 220 and the tamping block 310 are fixed by bolt connection. Therefore, the bolt connection structure is simple, the operation and the use are easy, the sliding block 220 and the tamping block 310 can be conveniently and quickly installed, fixed or detached and maintained, and the operation stability of the sliding block 220 and the tamping block 310 is further improved.
Optionally, a guide mechanism 400 for slidably guiding the sliding block 220 is disposed on the support column 100, and the sliding block 220 can slide up and down stably by the guiding action of the guide mechanism 400, which is favorable for ensuring the tamping accuracy. Further, the guide mechanism 400 includes two guide rods 410, the two guide rods 410 are vertically and fixedly disposed in parallel on one side of the support column 100, one side of the sliding block 220 is sleeved on the two guide rods 410, and the sliding block 220 can freely slide relative to the guide rods 410. In practical application, the sliding block 220 generates friction loss with the guide rod 410 in a long reciprocating process, so as to reduce the friction loss between the sliding block 220 and the guide rod 410, wherein the guide rod 410 is sleeved in a sliding bearing correspondingly arranged on the sliding block 220, and the friction coefficient between the sliding bearing and the guide rod 410 is small, thereby being beneficial to prolonging the service life of the guide rod 410.
Optionally, the road-repairing dedicated pavement tamper further comprises: a chassis 500. The chassis 500 is disposed at the bottom of the support column 100, a tamping hole 510 is disposed at the inner side of one end of the chassis 500, and the rammer 320 is disposed corresponding to the tamping hole 510. Like this, chassis 500 sets up in the bottom of support post 100, can provide the supporting role for support post 100, and then improve the steadiness of support post 100, make the cylindrical linear electric motor 200 even running of support post 100 one side, ram 320 corresponds the setting with ram hole 510 simultaneously, can pass ram hole 510 and reach the road surface when ram 320 falls down, the realization is to the ramming on road surface, be favorable to improving ram 320's ramming efficiency, and ram hole 510 can be to its formation protective structure in ram 320's circumference, prevent that foreign object from causing the damage to ram 320, improve its life.
Optionally, the bottom of the chassis 500 is provided with a moving wheel, one side of the moving wheel is provided with a rotating motor, and the output end of the rotating motor is fixedly connected with the moving wheel. Like this, when rotating the motor and rotating the operation, its output of accessible drives and moves the wheel and rotate, and then drives this special road surface rammer compactor's of repairing roads overall structure and removes, reduces the moving resistance to improve this special road surface rammer compactor's of repairing roads overall structure's removal efficiency, realize changing the position of ramming of ram 320, improve ramming efficiency.
Optionally, the tamper aperture 510 is a rectangular structure. In this way, the rectangular structure is regular, and other structures can be conveniently installed and fixed in the tamping hole 510.
Optionally, the area of the tamper aperture 510 is greater than the area of the bottom end face of the ram 320. Thus, the rammer 320 can penetrate through the ramming hole 510 and ram the road surface, and the blocking of the up-and-down movement of the rammer 320 due to the small area of the ramming hole 510 is avoided, so that the ramming efficiency of the rammer 320 is improved.
Optionally, the road-repairing dedicated pavement tamper further comprises: a support bracket 600 and a control arm rest 700. The supporting frame 600 is arranged at the upper side of the other end of the chassis 500; the control handle 700 is perpendicular to the support frame 600, and the control handle 700 is connected to the support frame 600 through a connection buckle. Like this, support frame 600 sets up the upside at the chassis 500 other end, can form vertical ascending support mounting structure, be convenient for control handrail 700 installation is fixed on support frame 600, thereby realize that constructor promotes this special road surface rammer compactor of repairing roads through control handrail 700 and removes, carry out ramming treatment to different positions on the road, improve the efficiency of ramming on road surface, and buckle connection structure is simple, the simple operation, can need the height of regulation control handrail 700 installation fixed on support frame 600 according to constructor's actual height, thereby realize promoting this special road surface rammer of repairing roads's removal through control handrail 700 more conveniently, change the ramming position of rammer 320.
Optionally, the supporting frame 600 is a combined structure, and includes a horizontal supporting plate 610 and a vertical supporting rod 620, and the horizontal supporting plate 610 is connected to the vertical supporting rod 620 through a screw. Like this, make support frame 600's overall structure design simple more reasonable, easy operation and use are favorable to installing fast and dismantling support frame 600, improve its variety of using.
Optionally, the control armrest 700 is sleeved with an anti-slip leather sheath. Like this, through set up anti-skidding leather sheath on control handrail 700, multiplicable constructor hand and the frictional force between the control handrail 700 are favorable to the constructor to promote this special road surface rammer compactor's of repairing overall structure through control handrail 700 and move, change the position of ramming of ram 320 to the realization is rammed different positions on the road surface, improves the efficiency of ramming the road surface.
Optionally, a plurality of infrared locators 511 are obliquely arranged on the inner side wall of the tamping hole 510, and the irradiation points of the infrared locators 511 coincide with the falling points of the rammers 320. Thus, when the irradiation point of the infrared positioner 511 falls on the road surface at the position to be tamped, the rammer 320 falls to tamp the road surface, so that the rammer 320 can be prevented from deviating from the position to be tamped, the accuracy of tamping the road surface can be improved, and the tamping efficiency of the road surface can be improved.
Optionally, a rotatable camera is further disposed on the inner sidewall of the tamper hole 510, and the rotatable camera is disposed adjacent to the infrared locator 511. Therefore, whether the irradiation point of the infrared positioner 511 falls on the road surface at the position needing to be tamped or not can be observed through the rotary camera, and when the irradiation point of the infrared positioner 511 coincides with the falling point of the rammer 320, the rammer 320 is controlled to fall rapidly and tamp the road surface, so that the accuracy of tamping the road surface is improved, and the efficiency of tamping the road surface is improved.
Optionally, a monitoring display screen 630 is disposed on the upper side of the lateral support plate 610, and the monitoring display screen 630 is connected to the rotatable camera. Like this, the road surface information that the rotatable formula camera was observed and the positional information that the point of illumination of infrared locator 511 was located can transmit to monitor display screen 630 and show, be favorable to the constructor through monitoring display screen 630 see road surface information and infrared locator 511 the point of illumination whether coincide with the drop point of ram 320 in real time, and then through the sliding speed of automatically controlled box 110 control slider 220, change the ram intensity of ram 320, realize carrying out the ram of different intensity to the different positions on road surface, be favorable to improving the efficiency of ram 320 to the ram of road surface.
Optionally, the noise reducer 800 is disposed at the edge outside the tamper hole 510, and the top end surface of the noise reducer 800 is disposed flush with the top end surface of the support column 100. Thus, the rammer 320 can be completely positioned in the noise reduction range of the noise reduction device 800, which is beneficial to preventing the noise generated during the ramming operation of the rammer 320 from escaping, thereby reducing the noise generated during the ramming process of the rammer 320 and improving the noise reduction efficiency of the noise reduction device 800 on the rammer 320.
Optionally, the noise reducer 800 is detachably connected to the chassis 500. Therefore, the noise reduction device 800 and the chassis 500 are fixedly installed through detachable connection, such as threaded connection, buckle connection and the like, the structure is simple, the operation and the use are easy, and the noise reduction device 800 and the chassis 500 can be conveniently and quickly installed, fixed, detached and maintained.
Optionally, the noise reducer 800 comprises: a cover body 810 and sound-absorbing cotton. A plurality of strip-shaped holes 820 are uniformly arranged on the cover body 810; the sound absorption cotton is disposed inside the cover 810, and a predetermined distance is provided between the sound absorption cotton and the bar-shaped hole 820. Like this, the produced noise accessible strip hole 820 of ramming operation of ramming hammer 320 enters into inside it on the cover body 810, then adsorbs the processing through inhaling the noise that the cotton pair of sound got into to noise pollution abatement is favorable to improving the noise reduction efficiency of the device of making an uproar 800 of making an uproar.
Optionally, the housing 810 is a U-shaped structure. Like this, be favorable to making one side and the support post 100 of cover body 810 be connected fixedly, form the encirclement to the overall structure of rammer 320, and then avoid rammer 320 to take place to escape in the noise that produces when ramming the road surface, noise pollution abatement improves the noise reduction effect.
Optionally, a dust-absorbing cotton is coated on the surface of the cover 810. Therefore, an effective dust removal structure can be formed on the outer side of the cover body 810, so that dust generated when the rammer 320 is used for ramming a road surface is adsorbed, dust pollution is reduced, and the environment-friendly effect is improved.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
While the preferred embodiments and examples of the present invention have been described in detail, it will be apparent to those skilled in the art that the utility model is not limited thereto, and that various changes and modifications may be made without departing from the spirit and scope of the utility model.
Claims (10)
1. The utility model provides a special road surface rammer compactor repairs roads which characterized in that includes:
a support column (100);
the cylindrical linear motor (200) is arranged at the upper part of one side of the support upright post (100), a sliding block (220) is arranged at the bottom of a reciprocating sliding rod (210) of the cylindrical linear motor (200), and the cylindrical linear motor (200) can drive the sliding block (220) to slide up and down in a reciprocating manner;
the compaction device (300) is arranged on the lower side of the cylindrical linear motor (200) and comprises a compaction block (310) and a compaction hammer (320), wherein the compaction block (310) is connected with the sliding block (220), and the compaction hammer (320) is arranged on the bottom end face of the compaction block (310).
2. The road surface rammer compactor special for road repair according to claim 1, wherein the rammer mass (310) and the rammer (320) are detachably connected, and the edge of the bottom end surface of the rammer (320) has a radian.
3. The road surface tamper for road construction according to claim 1, wherein a guide mechanism (400) for sliding guiding the slide (220) is provided on the support pillar (100).
4. The pavement tamper special for road repair according to claim 3, wherein the guide mechanism (400) comprises two guide rods (410), the two guide rods (410) are vertically and fixedly arranged on one side of the support column (100) in parallel, one side of the sliding block (220) is sleeved on the two guide rods (410), and the sliding block (220) can freely slide relative to the guide rods (410).
5. The road surface tamper special for road repair according to claim 4, characterized in that the guide rod (410) is nested in a correspondingly arranged slide bearing on the slide block (220).
6. The road-repairing dedicated pavement compactor according to any one of claims 1 to 5, further comprising:
the chassis (500) is arranged at the bottom of the support upright post (100), a tamping hole (510) is arranged on the inner side of one end of the chassis (500), and the tamping hammer (320) and the tamping hole (510) are correspondingly arranged.
7. The road surface tamper special for repairing road of claim 6, further comprising:
a support frame (600) arranged on the upper side of the other end of the chassis (500);
the control armrest (700) is perpendicular to the support frame (600), and the control armrest (700) is connected with the support frame (600) through a connecting buckle.
8. The road surface rammer compactor special for road repair according to claim 6, wherein a plurality of infrared locators (511) are obliquely arranged on the inner side wall of the ramming hole (510), and the irradiation points of the infrared locators (511) coincide with the falling points of the rammers (320).
9. The road surface tamper special for road repair according to claim 6, wherein a noise reduction device (800) is provided at an edge outside the tamper hole (510), and a top end surface of the noise reduction device (800) is disposed flush with a top end surface of the support pillar (100).
10. The road-repairing dedicated pavement compactor according to claim 9, wherein the noise reduction device (800) comprises: the mask body (810) is uniformly provided with a plurality of strip-shaped holes (820); and sound absorption cotton arranged inside the cover body (810).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122492957.0U CN216107941U (en) | 2021-10-15 | 2021-10-15 | Road surface rammer compactor special for repairing road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122492957.0U CN216107941U (en) | 2021-10-15 | 2021-10-15 | Road surface rammer compactor special for repairing road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216107941U true CN216107941U (en) | 2022-03-22 |
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ID=80693118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122492957.0U Active CN216107941U (en) | 2021-10-15 | 2021-10-15 | Road surface rammer compactor special for repairing road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216107941U (en) |
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2021
- 2021-10-15 CN CN202122492957.0U patent/CN216107941U/en active Active
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