CN218059861U - Circular patch milling, sucking and sweeping integrated tool bit for circular holes in bituminous pavement and hole excavation equipment - Google Patents
Circular patch milling, sucking and sweeping integrated tool bit for circular holes in bituminous pavement and hole excavation equipment Download PDFInfo
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- CN218059861U CN218059861U CN202222180911.XU CN202222180911U CN218059861U CN 218059861 U CN218059861 U CN 218059861U CN 202222180911 U CN202222180911 U CN 202222180911U CN 218059861 U CN218059861 U CN 218059861U
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- 238000003801 milling Methods 0.000 title claims abstract description 86
- 238000009412 basement excavation Methods 0.000 title claims abstract description 22
- 238000010408 sweeping Methods 0.000 title claims description 32
- 239000000428 dust Substances 0.000 claims abstract description 47
- 239000004575 stone Substances 0.000 claims abstract description 13
- 230000008901 benefit Effects 0.000 claims abstract description 11
- 239000002699 waste material Substances 0.000 claims abstract description 11
- 239000010426 asphalt Substances 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000008439 repair process Effects 0.000 abstract description 9
- 238000005520 cutting process Methods 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 239000011384 asphalt concrete Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 230000001502 supplementing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011798 excavation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a bituminous paving circle hole circle benefit mills to inhale and sweeps integrative tool bit and hole excavation equipment, this tool bit includes: the device comprises a motor, a circular milling cutter head and a telescopic dust cover; the power shaft of the motor is connected with the circular milling cutter head and can drive the circular milling cutter head to rotate; the rear end of the telescopic dust cover is fixedly connected with the shell of the motor, the front end of the telescopic dust cover is provided with an opening, the telescopic dust cover is integrally covered outside the circular milling cutter head, and the rear end of the telescopic dust cover is provided with a crushed stone dust diversion hole which can be connected with a waste material collecting box through a guide pipe. The circular milling cutter head driven by a motor is adopted, and a telescopic dust cover with a crushed stone dust diversion hole is covered, so that a circular hole can be formed by milling and excavating a road surface to be repaired, an integrated cutter head for circular hole repair is further realized, the existing pit hole excavation completed by using an air pick, a cutting machine and manual cleaning can be completely replaced, and the circular milling cutter head has the characteristics of simplicity, practicability, high efficiency, economy and the like. Not only has extremely high economic value, but also has greater social value.
Description
Technical Field
The utility model belongs to asphalt concrete road surface maintenance tool field particularly, relates to a bituminous paving circle hole circle mends to mill and inhales and sweep integrative tool bit and pot hole excavation equipment.
Background
The pits of the asphalt concrete pavement are the main diseases of the daily maintenance of the asphalt concrete pavement, and a circular hole method is basically adopted for repairing the pits at present. The round hole square compensation method is characterized in that round holes are dug according to circumscribed quadrangles of the round holes to form square pot holes, then filling and compacting are carried out, and the flat pavement is recovered.
The circular hole square patching method pit excavation of the existing asphalt pavement: firstly, drawing an externally tangent right-angle quadrilateral sideline along the periphery of the round hole and 1-2cm away from the periphery of the pot hole along the driving direction of a road vehicle, cutting along the line by using a cutting machine, wherein the cutting depth is the same as the depth of the pot hole, and then excavating asphalt concrete in the tangent line at the periphery of the pot hole by using an air pick until the bottom of the pot hole is the same in depth to form a right-angle square. The existing pit excavation equipment comprises: cutting machine, hydraulic crushing equipment (or pneumatic pick crushing equipment), clean equipment (including spade, broom, hair-dryer), the required personnel of current pot hole excavation: 4-5 people. The round hole square compensation method has at least the following defects: (1) Because the circular hole square patch causes the increase of the excavation area, the waste is serious, and the waste of manpower, materials and the like is caused. And (2) causing unnecessary damage to the original pavement. (3) The road surface vehicle travelling comfort reduces new and old road surface and is the linear type combination, and two of right angle quadrilateral and vehicle vertically limit are difficult to avoid producing the phenomenon of jumping when the vehicle passes through, cause the vehicle to jolt, and the vehicle travelling comfort reduces. And (4) the production efficiency is low. The excavation is long in time, large in manpower and large in material consumption. And (5) unreliable repairing quality. Most of the joint surfaces are right-angle intersection, and asphalt concrete materials are difficult to compact at the right-angle intersection, so that the compactness of the right-angle intersection is not up to the standard, and the square repairing quality of the circular hole is a fatal point.
Through practice and research, the round hole and round compensation method can completely overcome the defects of the round hole and square compensation method. However, most of the existing tools for repairing the road surface are designed aiming at a circular hole square repairing method, circular hole circular repairing cannot be realized by excavating a circular hole at a position needing to be repaired, and at present, no tool for realizing circular hole excavating and then circular hole circular repairing on the asphalt concrete road surface exists, so that efficient and economic repairing on the asphalt concrete road surface cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bituminous paving circle hole circle mends to mill to inhale and sweeps integrative tool bit and hole excavation equipment can realize quick, saving, high efficiency, clear carry out the circle hole excavation to the asphalt concrete road surface, and then realizes economic repair asphalt concrete road surface, solves the problem that current circle hole square method of mending exists.
The technical scheme of the utility model is that:
the utility model provides an integrative tool bit is inhaled in circular hole circle benefit milling of bituminous paving, includes:
the device comprises a motor, a circular milling cutter head and a telescopic dust cover; wherein,
the power shaft of the motor is fixedly connected with the circular milling cutter head and can drive the circular milling cutter head to rotate;
the rear end of the telescopic dust cover is fixedly connected with the shell of the motor, the front end of the telescopic dust cover is provided with an opening, the telescopic dust cover is integrally covered outside the circular milling cutter head, and the rear end of the telescopic dust cover is provided with a crushed stone dust flow guide hole which can be connected with a waste material collecting box through a guide pipe.
The utility model provides a bituminous paving circle hole circle mends hole equipment of digging, includes:
a crank arm mechanism, a circular patch milling, sucking and sweeping integrated tool bit and a power and control device for the circular holes of the asphalt pavement; wherein,
the bottom of the front end of the crank arm mechanism is provided with the circular patch milling, sucking and sweeping integrated tool bit for the circular hole of the asphalt pavement;
the power and control device is connected with a motor of the asphalt pavement circular hole circular patching, milling, sucking and sweeping integrated tool bit, and can control the motor to drive the circular milling tool bit to mill the pavement to be repaired.
Compared with the prior art, the utility model provides a bituminous paving circle hole circle benefit mills to inhale and sweeps integrative tool bit and system has following beneficial effect at least:
through adopting by motor drive's circular milling cutter head to the telescopic dust cover that has rubble dust water conservancy diversion hole is established to the cover, forms one kind and can will wait to mend the face milling excavation for the round hole, and then realizes the integrative tool bit that the round hole circle was mended, and it can replace the pit hole excavation of clearing the completion now with pneumatic pick, miller and manual work completely, and has characteristics such as simple, practical, high efficiency, economy. Not only has extremely high economic value, but also has greater social value.
Drawings
The drawings used in the description of the embodiments are briefly described below, and these drawings are only some embodiments of the invention, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic structural view of the utility model discloses a bituminous paving circular hole circle benefit mills and inhales integrative tool bit of sweeping.
Fig. 2 is a schematic structural view of the circular milling cutter head of the present invention.
Fig. 3 is the structure schematic diagram of the asphalt pavement round hole filling hole excavating equipment of the utility model.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings, so that the above and other objects, features and advantages of the present invention are more clear. Like reference numerals refer to like parts throughout the drawings. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
Referring to fig. 1, the utility model provides a bituminous paving circle hole circle benefit mills to inhale and sweeps integrative tool bit, include:
the device comprises a motor 1, a circular milling cutter head 2 and a telescopic dust cover 3; wherein,
a power shaft of the motor 1 is fixedly connected with the circular milling cutter head 2 and can drive the circular milling cutter head to rotate;
the rear end of the telescopic dust cover is fixedly connected with the shell of the motor 1, the front end of the telescopic dust cover is provided with an opening, the telescopic dust cover 3 is integrally covered outside the circular milling cutter head, and the rear end of the telescopic dust cover 2 is provided with a crushed stone dust diversion hole 4 which can be connected with a waste material collecting box through a guide pipe.
With reference to fig. 2, in the above-described cutting head, the circular milling cutting head 2 comprises:
the device comprises a connecting shaft 21, a turbofan type blade mounting body 23, a diversion trench 24 and a milling cutter 22; wherein,
a turbofan type blade mounting body 23 is fixedly arranged at the lower end of the connecting shaft 21, and a plurality of diversion trenches 24 are formed in the turbofan type blade mounting body 23;
the milling cutter 22 is mounted on the turbofan blade mount 23.
Specifically, the structure of the circular milling cutter head 2 is as shown in fig. 2, wherein the connecting shaft 21, the guiding groove 24 and the turbofan blade mounting body 23 are an integrated structure and are integrally machined through a cylinder with a certain diameter. Firstly, the connecting shaft is cut and processed according to the diameter and the length of the connecting shaft, the diversion trench 24 is formed by milling according to the size of the diversion trench, a turbofan type blade mounting body (used for mounting a milling cutter) is formed after the processing of the diversion trench 24 is finished, and the milling cutter is an asphalt concrete milling cutter capable of being quickly disassembled and assembled.
In the above cutter head, the telescopic dust cover 3 includes:
a fixed conical cylinder and a sliding cylindrical cylinder; wherein,
one end of the fixed conical cylinder is a fixed end, the other end of the fixed conical cylinder is a guide cylindrical cylinder with a certain length, and the fixed end is fixedly connected with the shell of the motor;
the crushed stone dust diversion hole is formed in the rear end of the fixed conical cylinder;
the rear end of the sliding cylindrical barrel is provided with a limiting device, and the front end of the sliding cylindrical barrel is provided with a ball pulley;
the sliding cylindrical barrel is sleeved on the guiding cylindrical barrel of the fixed conical barrel and can extend up and down on the guiding cylindrical barrel of the fixed conical barrel through the ball pulley.
Specifically, the rear end of the fixed conical cylinder is a small end, the front end of the fixed conical cylinder is a guide cylindrical cylinder with a certain length, and the cross sectional area of the small end is smaller than that of the guide cylindrical cylinder; the small end at the rear end of the fixed conical cylinder is fixedly connected with the shell of the motor, and the fixed conical cylinder is sealed and dustproof; the rear end of the guide cylinder is provided with a crushed stone dust guide hole 4 (see figure 1), and the guide cylinder is a big end and is used as a telescopic guide cylinder of the sliding cylinder. The rear end of the sliding cylindrical barrel is provided with a limiting device, the front end of the sliding cylindrical barrel is provided with a ball pulley, the sliding cylindrical barrel is sleeved on the guide cylindrical barrel of the fixed conical barrel through the ball pulley to form a telescopic dust cover, abrasion and resistance when a tool bit moves to be in contact with the road surface in the milling process are reduced, and the up-down stretching of the sliding cylindrical barrel is determined by the abutting part.
In the above cutter head, the motor may be a hydraulic motor or an electric motor.
Referring to fig. 3, an asphalt pavement round hole round patch pit hole excavating device comprises:
the turning arm mechanism, the circular patch milling, sucking and sweeping integrated tool bit for the circular hole of the asphalt pavement and the power and control device are arranged on the turning arm mechanism; wherein,
the bottom of the front end of the crank arm mechanism is provided with the circular patch milling, sucking and sweeping integrated tool bit for the circular hole of the asphalt pavement;
the power and control device is connected with a motor of the asphalt pavement circular hole circular patching milling suction-sweeping integrated tool bit, and can control the motor to drive the circular milling tool bit to mill the pavement to be repaired.
In the equipment, a motor of the circular hole circular repair milling and suction sweeping integrated tool bit of the asphalt pavement adopts a hydraulic motor;
the power and control device adopts a hydraulic power and control device;
or the motor of the circular hole circular patch milling, sucking and sweeping integrated tool bit of the asphalt pavement adopts an electric motor.
In the equipment, the rear end of the crank arm mechanism is connected with the free end of the lifting cantilever of the road repairing vehicle through the rotating shaft.
The utility model discloses a bituminous paving round hole circle mends mills and inhales and sweeps integrative tool bit and pot hole excavation equipment, and the excavation to the pot hole is along the peripheral of pot hole outwards mill plane 2cm just the hole mills the hole, and the degree of depth is unanimous, one shot forming; the milling machine can mill pitted surface, cracks and other diseases of the asphalt pavement, and has wide application; after repair, all the joint surfaces are intersected in a circular arc shape, so that compaction is facilitated, and the repair quality is reliable; the degree of automation is high, and excavation and waste material are cleared up once successfully. Manual excavation and cleaning are not needed, and the force is damaged; the road surface after being repaired can improve the vehicle driving comfort of the road surface, the new and old road surfaces after circular hole circular repair are combined in an arc line shape, and the vehicle tires pass through the repaired positions in a gradual mode, so that the phenomenon of vehicle jumping cannot be caused; the holes are repaired, the excavation is less, the repairing material is less, the material is damaged when the holes are damaged, and the unnecessary waste is reduced.
Embodiments of the present invention will be further described with reference to the accompanying drawings. While the following portions, which are not described in detail, are to be understood as being well known in the art.
Example 1
Referring to fig. 1, fig. 1 is an assembly view of the circular hole circular complement milling suction-sweeping integrated tool bit of the embodiment, which includes:
the device comprises a motor 1, a circular milling cutter head 2 and a telescopic dust cover 3; wherein, the telescopic dust cover 3 is a hollow structure body with variable cross section, and the rear end of the telescopic dust cover is provided with a crushed stone dust guide hole 4;
the motor 1 can adopt a hydraulic motor or an electric motor, a power shaft of the motor is fixedly connected with a circular milling cutter head, and the motor provides milling power for the cutter head;
the rear end of the telescopic dust cover 3 is fixedly connected with the shell of the motor 1, the cross section of the front end is large and provided with an opening, the telescopic dust cover is covered outside the circular milling cutter head 2, crushed stone or dust is prevented from overflowing during milling, the telescopic dust cover has the effect of a closed space, the crushed stone dust diversion hole is connected to a waste material collecting box through a guide pipe, and the crushed stone or dust can be directly led into the waste material collecting box during milling
The structure of the circular milling cutter head 2 is shown in fig. 2, and mainly comprises a connecting shaft 21, a turbofan type blade mounting body 22 and a fast detachable milling cutter 23; wherein, the milling cutters are arranged on the turbofan blade mounting bodies 22 according to a certain rule (the rule arrangement enables the motor to drive the cutter head to rotate for a circle to mill a U-shaped pit slot with controllable depth), and the space between the turbofan blade mounting bodies 22 is provided with a gravel powder diversion trench 24. When the motor drives the circular milling cutter head 2 to rotate for one circle, a U-shaped pit groove with controllable depth can be milled, arcs of all joint surfaces are intersected, compaction is facilitated, and the repair quality is ensured to be reliable. Meanwhile, the round milling cutter head is driven by the motor to rotate at a high speed for milling, upward air flow suction can be generated in the space of the telescopic dust cover, and crushed stone dust is conveyed to the waste material collecting box along the guide pipe connected with the guide groove through the hole under the action of the upward air flow suction, so that milling, sucking and sweeping operation can be completed at one time.
Example 2
Referring to fig. 3, the present embodiment provides an asphalt pavement round hole round patch pit excavation device, including:
the crank arm mechanism 20, the power and control device and the round hole round complement milling suction-sweeping integrated tool bit 10; wherein,
the rear end of the crank arm mechanism is connected with the free end of a lifting cantilever 30 of the road repairing vehicle 40 through a rotating shaft 50, and the front end of the crank arm mechanism 20 is provided with a circular hole circular compensation milling and suction sweeping integrated tool bit 10.
The crank arm mechanism 20 mainly realizes that the round-hole round-patch milling, sucking and sweeping integrated cutter head mills the pits within the length range of the crank arm, and simultaneously realizes the control of the milling area and depth under the control of the control device on the round-hole round-patch milling, sucking and sweeping integrated cutter head, and can also realize the retraction and release of the round-hole round-patch milling, sucking and sweeping integrated cutter head by the crank arm mechanism for convenient transportation; the crank arm mechanism 20 is connected to an L-shaped structure by a cross arm and a longitudinal arm, and the tail end of the cross arm is connected with the free end of a lifting cantilever 30 of the road repairing vehicle 40 through a rotating shaft 50; the front end of the longitudinal arm is provided with a round hole round supplementing, milling, sucking and sweeping integrated tool bit 10, the round hole round supplementing, milling, sucking and sweeping integrated tool bit 10 is connected to the longitudinal arm through a lead screw rotating mechanism, and the round hole round supplementing, milling, sucking and sweeping integrated tool bit 10 can ascend and descend on the longitudinal arm through a hand wheel adjusting lead screw of the lead screw rotating mechanism.
The power and control device can adopt a hydraulic power and control device or an electric power and control device, and only needs to be matched with the motor type of the round hole round compensation milling suction-sweeping integrated tool bit, and the power and control device realizes the control of providing power and milling area depth for the round hole round compensation milling suction-sweeping integrated tool bit milling.
The utility model discloses round hole circle benefit mills to inhale and sweeps integrative tool bit and hole excavation equipment and has following beneficial effect at least:
(1) Compared with the original round hole square repairing of the road surface, the method reduces the damage to the original road surface by more than 80 percent, and can save the pit hole repairing material by more than 80 percent.
(2) The repair efficiency can be improved by more than 0 percent, the method is mainly embodied in that the number of unit cubic operation material repair pits is improved, the time consumption is minimum, the road surface mileage of single-trolley maintenance is improved by three times, and the configuration of maintenance operation vehicles and personnel which are two thirds lower in comparison is adopted, so that the method is a direct beneficiary of a daily maintenance construction unit
(4) The smoothness and the driving comfort of the vehicle passing through the maintenance pavement pot hole are improved.
(5) Energy conservation and environmental protection. Milling and dust collection are completed at one time, so that the labor intensity is reduced by 70%, and constructors are reduced by 60%. The direct personnel of the previous pit repairing operation need 4-6 persons, and at most 2 persons at present.
(6) Economic benefits are as follows: the cost is saved by more than 85 percent, and the social benefit is considerable.
Those parts of the above embodiments which are not described in detail are understood to be known to those skilled in the art.
Those skilled in the art will appreciate that the scope of the present invention is not limited to the preferred embodiments described above, and that various modifications and substitutions which can be easily conceived by those skilled in the art according to the technical contents of the present invention are intended to fall within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a bituminous paving circle hole circle benefit mills inhales and sweeps integrative tool bit which characterized in that includes:
the device comprises a motor, a circular milling cutter head and a telescopic dust cover; wherein,
the power shaft of the motor is fixedly connected with the circular milling cutter head and can drive the circular milling cutter head to rotate;
the rear end of the telescopic dust cover is fixedly connected with the shell of the motor, the front end of the telescopic dust cover is provided with an opening, the telescopic dust cover is integrally covered outside the circular milling cutter head, and the rear end of the telescopic dust cover is provided with a crushed stone dust flow guide hole which can be connected with a waste material collecting box through a guide pipe.
2. The round hole round patch milling, sucking and sweeping integrated tool bit for the bituminous pavement according to claim 1, wherein the round milling tool bit comprises:
the device comprises a connecting shaft, a turbofan type blade mounting body, a diversion trench and a milling cutter; wherein,
the lower end of the connecting shaft is fixedly provided with a turbofan type blade mounting body, and the turbofan type blade mounting body is provided with a plurality of diversion trenches;
the milling cutter is mounted on the turbofan blade mounting body.
3. The round hole round patch milling, sucking and sweeping integrated tool bit as claimed in claim 2, wherein the connecting shaft, the turbofan blade mounting body and the diversion trench are an integrated structure.
4. The round hole round patch milling, sucking and sweeping integrated cutter head for the asphalt pavement according to any one of claims 1 to 3, wherein the telescopic dust cover comprises:
a fixed conical cylinder and a sliding cylindrical cylinder; wherein,
one end of the fixed conical cylinder is a fixed end, the other end of the fixed conical cylinder is a guide cylindrical cylinder with a certain length, and the fixed end is fixedly connected with the shell of the motor;
the crushed stone dust diversion hole is formed in the rear end of the fixed conical cylinder;
the rear end of the sliding cylindrical barrel is provided with a limiting device, and the front end of the sliding cylindrical barrel is provided with a ball pulley;
the sliding cylindrical barrel is sleeved on the guiding cylindrical barrel of the fixed conical barrel and can extend up and down on the guiding cylindrical barrel of the fixed conical barrel through the ball pulley.
5. The round hole milling, sucking and sweeping integrated cutter head for the bituminous pavement according to any one of claims 1-3, wherein the motor is any one of a hydraulic motor or an electric motor.
6. The utility model provides an equipment is excavated to round hole of bituminous paving circle mends hole, its characterized in that includes:
a crank arm mechanism, a round hole round filling, milling, sucking and sweeping integrated tool bit of the asphalt pavement according to any one of claims 1 to 5, and a power and control device; wherein,
the bottom of the front end of the crank arm mechanism is provided with the circular patch milling and suction-sweeping integrated tool bit for the circular hole of the asphalt pavement;
the power and control device is connected with a motor of the asphalt pavement circular hole circular patching, milling, sucking and sweeping integrated tool bit, and can control the motor to drive the circular milling tool bit to mill the pavement to be repaired.
7. The round patch pit and hole excavating equipment for the round hole of the asphalt pavement as claimed in claim 6, wherein the motor of the round patch milling, sucking and sweeping integrated cutter head of the round hole of the asphalt pavement adopts a hydraulic motor;
the power and control device adopts a hydraulic power and control device;
or the motor of the asphalt pavement circular hole circular patch milling suction and sweeping integrated tool bit adopts an electric motor.
8. The round patch pit excavation equipment for the round hole of the bituminous pavement according to claim 6 or 7, wherein the rear end of the crank arm mechanism is connected with the free end of a lifting cantilever of the road repairing vehicle through a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222180911.XU CN218059861U (en) | 2022-08-18 | 2022-08-18 | Circular patch milling, sucking and sweeping integrated tool bit for circular holes in bituminous pavement and hole excavation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222180911.XU CN218059861U (en) | 2022-08-18 | 2022-08-18 | Circular patch milling, sucking and sweeping integrated tool bit for circular holes in bituminous pavement and hole excavation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218059861U true CN218059861U (en) | 2022-12-16 |
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ID=84406499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222180911.XU Expired - Fee Related CN218059861U (en) | 2022-08-18 | 2022-08-18 | Circular patch milling, sucking and sweeping integrated tool bit for circular holes in bituminous pavement and hole excavation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218059861U (en) |
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2022
- 2022-08-18 CN CN202222180911.XU patent/CN218059861U/en not_active Expired - Fee Related
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Granted publication date: 20221216 |