CN110385651A - A kind of shot-blasting machine - Google Patents
A kind of shot-blasting machine Download PDFInfo
- Publication number
- CN110385651A CN110385651A CN201910765913.5A CN201910765913A CN110385651A CN 110385651 A CN110385651 A CN 110385651A CN 201910765913 A CN201910765913 A CN 201910765913A CN 110385651 A CN110385651 A CN 110385651A
- Authority
- CN
- China
- Prior art keywords
- shot
- unit
- blasting machine
- separation bin
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005422 blasting Methods 0.000 title claims abstract description 50
- 239000008188 pellet Substances 0.000 claims abstract description 56
- 238000000926 separation method Methods 0.000 claims abstract description 47
- 239000000428 dust Substances 0.000 claims abstract description 32
- 230000003116 impacting effect Effects 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 239000004576 sand Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000004140 cleaning Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 239000003500 flue dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
- B24C3/06—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable
- B24C3/065—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable with suction means for the abrasive and the waste material
- B24C3/067—Self-contained units for floorings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/003—Removing abrasive powder out of the blasting machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/006—Treatment of used abrasive material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The present invention relates to a kind of shot-blasting machines, including ball blast motor (2), power transmission unit (3), rack (6), pellet bucket (7) and separation bin (9), the ball blast motor (2) connects power transmission unit (3), the rack (6) includes sequentially connected impacting house (601) and rebound storehouse (602), and the separation bin (9) is connected to pellet bucket (7)；The shot-blasting machine further includes fan unit (11), the fan unit (11) is connected to the upper end of separation bin (9), the sectional area in the rebound storehouse (602) is gradually reduced from bottom to top, its top is equipped with an arc section, the arc section is connected to separation bin (9), separation bin (9) side is equipped with a straight pipe, the straight pipe is connected to described rebound storehouse (602) top opening, and bottom is connected to pellet bucket (7).Compared with prior art, the present invention has many advantages, such as that dust separation effect is good, use cost is low and easy to use.
Description
Technical field
The present invention relates to shotblasting process fields, more particularly, to a kind of shot-blasting machine.
Background technique
Shotblasting treatment process makes to impact surface processed using high speed shot stream, and skin-material etc. is cleaned out,
It is widely used in the major infrastructure projects such as highway, airport, bridge, main processing equipment is Mobile shot-blasting machine.At present
Mobile shot-blasting machine in the market is mainly used for handling the surfaces such as concrete, pitch, and when handling surface of steel plate, construction is held
Bao Fang often also handles steel plate using the shot-blasting machine of processing concrete, is extremely difficult at the surface needed before steel plate corrosion prevention operation
Reason requires.
The utility model of Publication No. CN208528869U discloses a kind of shot-blasting machine with dust-extraction unit, belongs to metal
Part surface processing equipment technical field solves and needs to be replaced frequently filter core in the prior art and lead to inconvenient technical problem,
Drip irrigation device be include shot-blasting machine and dust cleaning case, dust-extraction unit is equipped in the dust cleaning case, dust-extraction unit includes dust removing tube
It is connected at the top of road and exhaust fan, cleaning shaft one end and shot-blasting machine, the other end is connect with exhaust fan, and exhaust fan, which is fixedly connected on, to be removed
The top of dirt case is equipped with flue-dust retainer in dust cleaning case, and flue-dust retainer is fixed on the bottom end of dust cleaning case vertically, and the upper end of flue-dust retainer is located at
In dust cleaning case, material receiving tube is connected on cleaning shaft, material receiving tube is connected to flue-dust retainer, reaches and staff is facilitated to clear up dust
Effect.
The suction adsorption dust that the shot-blasting machine with dust-extraction unit has the disadvantage in that 1, formed completely by exhaust fan,
It is high to the performance requirement of exhaust fan；2, part dust is possible to be crushed in pellet, it is difficult to be siphoned away by exhaust fan, efficiency of dust collection is not
It is high；3, device volume is too big, and is inconvenient to move.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of high dust collection efficiencys
Shot-blasting machine.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of shot-blasting machine, including ball blast motor, power transmission unit, rack, pellet bucket and separation bin, the ball blast electricity
Machine connects power transmission unit, and the rack includes sequentially connected impacting house and rebound storehouse, the separation bin and pellet
Bucket connection；The shot-blasting machine further includes fan unit, which is connected to the upper end of separation bin.Fan unit is separating
The dust of pellet stream is separated in storehouse, improves the dust separation effect to pellet stream.
Further, the sectional area in the rebound storehouse is gradually reduced from bottom to top, and top is equipped with a circular arc
Section, the arc section are connected to separation bin.When pellet stream comprising dust reaches rebound storehouse top, inertia is reduced, and is turned to through arc section
When do not easily cause mixed and disorderly ejection.
Further, the separation bin side is equipped with a straight pipe, and the straight pipe and the rebound the top of the warehouse are open
Connection, bottom is connected to pellet bucket, and is equipped with separating screen in the junction of separation bin and pellet bucket.Pellet comprising dust flows into
When entering straight pipe, dust is attracted by fan unit, is gradually moved up, and pellet self gravity is big, is gradually moved down, so that dust separation is imitated
Fruit further increases.
Further, the discharge port of the pellet bucket is connected to impacting house by lower pellet pipe, and sets in lower pellet pipe
Sand valve is put, this is put sand valve and drives by shaft, which is opened by the pellet that connecting rod connection is mounted on separation bin side
Close handle.
Further, be formed with angle between the impacting house and rebound storehouse, the angular range of the angle be 45 degree extremely
It 85 degree, is selected according to the rotation speed of ball blast motor, optimized angle is 60 degree.
Further, the fan unit includes blower motor, blade and blower housing, the blower housing with point
It is connected from storehouse, the junction of the blower housing and separation bin is equipped with interconnected hole, and the blower motor is fixed
It is mounted at the top of blower housing, the blade is fixedly mounted in the rotary shaft of blower motor, the side of the blower housing
Face-piece body is equipped with the interface for excluding dust.
Further, the shot-blasting machine further includes the control cabinet unit for being located at ball blast motor upper end, the control cabinet unit
Control ball blast motor, blower motor and movable motor.
Further, the shot-blasting machine further includes walking unit, and walking unit includes universal wheel and is fixedly mounted respectively
The first walking unit and the second walking unit in impacting house two sides, the universal wheel are fixedly connected on rebound storehouse lower part, institute
The first walking unit and the second walking unit stated are all connected with control cabinet unit.
Further, the power transmission unit includes motor pulley, driving belt, belt pulley, belt housing, bearing
Unit and ramming head unit, the motor pulley connect ball blast motor, one end of the belt pulley connection bearing unit, institute
The other end for the ramming head unit connection bearing unit stated, the driving belt connection motor pulley and belt pulley, it is described
Motor pulley, driving belt and belt pulley are set in belt housing, protect the effect of transmission parts.Above-mentioned power transmission unit
For the conventional structure of shot-blasting machine.
Further, the shot-blasting machine further includes sealing brush unit, which is fixedly mounted on impact
The junction in storehouse and rebound storehouse, for preventing pellet from leaking.
Compared with prior art, the invention has the following advantages that
(1) fan unit of connection separation bin is provided on shot-blasting machine of the present invention, to the dust of pellet stream in separation bin
It is separated, improves the dust separation effect to pellet stream；
From bottom to top, sectional area is gradually become smaller in the section in rebound storehouse, so that deduster and sheet that this shot-blasting machine is external
Shot-blasting machine is gradually accelerated from flowing velocity of the air-flow that the blower set generates jointly in rebound storehouse, this can overcome the pellet of rebound
The reduction of the speed as caused by the weight of itself, guarantees that all rebound pellets can fully enter separation bin in rebound storehouse,
Without ground of falling back.
In order to further increase dust separation effect, it is equipped with arc section on rebound storehouse top, is equipped with straight pipe in separation bin,
Straight pipe is connect with arc section, and when the pellet stream comprising dust reaches rebound storehouse top, inertia is reduced, and is made through arc section steering close
The pellet for spending larger heavier-weight is fallen onto the sieve of the bottom of separation bin, and the light dust of density lower weight is inhaled by air-flow
It walks, to realize the separation of pellet and dust.
(2) dust separation effect of the present invention improves, so that the service life of the parts such as ramming head component, internal backplate is significantly
It improves, reduces use cost.
(3) shot-blasting machine of the present invention is set there are two movable motor, and comparison is provided only with the Mobile shot-blasting machine of a movable motor,
The movements such as its walking, steering are more flexible, the field for needing often to turn around, turn round when being particularly suitable for the operations such as oil tank, boat deck
Institute.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of shot-blasting machine of the present invention；
Fig. 2 is the internal structure and operation principle schematic diagram of shot-blasting machine of the present invention；
Fig. 3 is partial structural diagram of the present invention.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment 1
As shown in Figure 1, the present embodiment is a kind of shot-blasting machine, and for the processing of relevant surfaces, such as boat deck, bridge steel box-girder,
Oil tank, the Shot Blasting of the steel surfaces such as wind-powered electricity generation king-post, the shot-blasting machine can use grit pellet to handle medium as operation, such as
Shot, corner angle steel sand etc..Shot-blasting machine includes control cabinet unit 1, ball blast motor 2, power transmission unit 3, walking unit 4, sealing
Brush unit 5, rack 6, pellet bucket 7, pellet filter device 8, separation bin 9, window 10 and fan unit 11.
As shown in Fig. 2, ball blast motor 2 is mounted on the top of rack 6, and connect power transmission unit 3, rack 6 include according to
The impacting house 601 and rebound storehouse 602, separation bin 9 of secondary connection are connected to pellet bucket 7, and the upper end of fan unit 11 and separation bin 9 connects
It is logical.
Fan unit 11 includes blower motor 12, blade 13 and blower housing 14, and blower housing 14 is connect with separation bin 9,
One circular hole is arranged at 14 bottom of blower housing, communicates with 9 top circular hole of separation bin, forms an airflow channel.Blower motor 12 is solid
Dingan County is fixedly mounted in the rotary shaft of blower motor 12 mounted in 14 top of blower housing, blade 13, the side of blower housing 14
Shell is equipped with the interface 15 for connecting dust removing tube.
The sectional area in rebound storehouse 602 is gradually reduced from bottom to top, and top is equipped with an arc section, which connects
Logical separation bin 9.9 side of separation bin is equipped with a straight pipe, which is connected to 602 top opening of rebound storehouse, bottom
It is connected to pellet bucket 7, and is equipped with pellet filter device 8 in the junction of separation bin 9 and pellet bucket 7, which includes
Separating screen 801, straight pipe one end of separation bin 9 be also connected with for pellet conductance to baffle.The side of separation bin 9 is set
There is a window 10 for being used to add in pellet bucket 7 pellet.
The discharge port of pellet bucket 7 is connected to impacting house 601 by lower pellet pipe 19, and is equipped in lower pellet pipe 19 and puts sand valve
Door 18, this is put sand valve 18 and is driven by shaft, which connects the pellet switch for being mounted on 9 side of separation bin by connecting rod 17
Handle 16, as described in Figure 3.Be formed with angle between impacting house 601 and rebound storehouse 602, the angular range of the angle be 45 degree extremely
85 degree, specific angle is selected according to the rotation speed of ball blast motor 2, which is set as 60 degree by the present embodiment.
Power transmission unit 3 includes motor pulley 301, driving belt 302, belt pulley 303, belt housing 304, bearing list
Member 305 and ramming head unit 306.Motor pulley 301 is mounted on the motor shaft of ball blast motor 2, and belt pulley 303 connects bearing list
One end of member 305, ramming head unit 306 connect the other end of bearing unit 305 by connector, and driving belt 302 connects motor
Belt pulley 301 and belt pulley 303, motor pulley 301, driving belt 302 and belt pulley 303 are set in belt housing 304, belt
It covers 304 and plays protection transmission parts, ramming head unit 306 is mounted on the top of impacting house 601, the rotating shaft of bearing unit 305
Line is overlapped collinearly with the axis of rotation of ramming head unit 306.
Control cabinet unit 1 is located at 2 upper end of ball blast motor, which is separately connected ball blast motor 2, blower motor
12 and walking unit 4.
Walking unit 4 includes universal wheel 20 and 401 He of the first walking unit for being respectively and fixedly installed to 601 two sides of impacting house
Second walking unit 402.Universal wheel 20 is fixedly connected on the rear lower in rebound storehouse 602, the first walking unit 401 and the second walking
Unit 402 is all connected with control cabinet unit 1.
Sealing brush unit 5 is fixedly mounted on the left and right sides of impacting house 601 and 602 junction of storehouse of rebounding.
The working principle of the shot-blasting machine is described in detail below:
Power control cabinet unit 1 controls starting and stopping for ball blast motor 2 and blower motor 12；The control walking of power control cabinet unit 1
Unit 4 starts and stops, and controls the speed of travel and steering of walking unit 4.
Starting 2 high speed rotation of ball blast motor, motor pulley 301 drives belt pulley 303 to rotate by driving belt 302,
This rotary motion is transmitted to ramming head unit 306 by bearing block 305 by belt pulley 303, enables 306 high speed rotation of ramming head unit.
Start blower motor 12,13 high speed rotation of impeller, thus inside to shot-blasting machine separation bin 9 and rebound storehouse 602
Generate pull of vacuum.
As shown in Fig. 2, at this point, open pellet switch handle 16, put sand valve 18 by 17, connecting rod and open, pellet bucket 7
In shot will pass through feed pipe 19 enter high-speed rotating ramming head unit 306, high speed rotation generate centrifugal force, due to centrifugation
The effect of power, pellet fly out from the jet orifice high speed of the orienting cover of ramming head unit 306, form the pellet jet stream of one high-speed motion
A, pellet jet stream A impact surface processed, and the skin-material on surface processed is impacted to form dust stream C, is blended in ball
In material and due to the effect of impacting rebound power and pull of vacuum, the mixed flow of the pellet stream B and dust C of rebound enter rebound together
Storehouse 602, when mixed flow rises to 602 top of rebound storehouse subsequently into separation bin 9, due to fan unit 11 and external deduster
The effect of the pull of vacuum of generation, the small dust stream C of density is inhaled into blower, and is discharged from the interface 15 on blower housing 14,
And it is collected into the collection apparatus for ash of the deduster of outer connection by dust removing tube；And the biggish pellet stream B of density and other are heavier
Bulky grain sundries (processed surface generate) etc. can not be siphoned away by pull of vacuum, since the effect of gravity is fallen down, fall
On separating screen 801, by the filtering of separating screen 801, bulky grain sundries is retained on sieve 801, and pellet is by dividing
Hole from sieve 801 is fallen into pellet bucket 7, is recycled into next ball blast.
In ball blast operation process, power control cabinet unit 1 controls two walking units 4 and walks, realize shot-blasting machine advance,
It retreats, turning, and can control the speed of the speed of travel.Shot-blasting machine rear portion is equipped with a universal caster wheel 20, walks with two
Unit 4 supports shot-blasting machine together, realizes that entire shot-blasting machine is mobile to any one direction.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of shot-blasting machine, including ball blast motor (2), power transmission unit (3), rack (6), pellet bucket (7) and separation bin
(9), the ball blast motor (2) connects power transmission unit (3), and the rack (6) includes sequentially connected impacting house
(601) it is connected to rebound storehouse (602), the separation bin (9) with pellet bucket (7)；It is characterized in that, the shot-blasting machine also wraps
Fan unit (11) are included, which is connected to the upper end of separation bin (9).
2. a kind of shot-blasting machine according to claim 1, which is characterized in that the sectional area in the rebound storehouse (602) is the bottom of from
Portion is gradually reduced to top, and top is equipped with an arc section, which is connected to separation bin (9).
3. a kind of shot-blasting machine according to claim 1, which is characterized in that separation bin (9) side is equipped with a straight tube
Section, which is connected to described rebound storehouse (602) top opening, bottom connection pellet bucket (7), and in separation bin (9) and
The junction of pellet bucket (7) is equipped with separating screen (801).
4. a kind of shot-blasting machine according to claim 1, which is characterized in that under the discharge port of the pellet bucket (7) passes through
Pellet pipe (19) is connected to impacting house (601), and is equipped in lower pellet pipe (19) and puts sand valve (18), and it is logical that this puts sand valve (18)
Shaft driving is crossed, which is mounted on the pellet switch handle (16) of separation bin (9) side by connecting rod (17) connection.
5. a kind of shot-blasting machine according to claim 1, which is characterized in that the impacting house (601) and rebound storehouse (602)
Between be formed with angle, the angular range of the angle is 45 degree to 85 degree, preferably 60 degree.
6. a kind of shot-blasting machine according to claim 1, which is characterized in that the fan unit (11) includes blower motor
(12), blade (13) and blower housing (14), the blower housing (14) are connect with separation bin (9), the blower housing
(14) it is equipped with interconnected hole with the junction of separation bin (9), the blower motor (12) is fixedly mounted on fan shroud
At the top of shell (14), the blade (13) is fixedly mounted in the rotary shaft of blower motor (12), the blower housing (14)
Side housing be equipped with interface (15) for excluding dust.
7. a kind of shot-blasting machine according to claim 6, which is characterized in that the shot-blasting machine further includes being located at ball blast motor
(2) the control cabinet unit (1) of upper end, the control cabinet unit (1) control ball blast motor (2), blower motor (12) and movable motor
(4)。
8. a kind of shot-blasting machine according to claim 7, which is characterized in that the shot-blasting machine further includes walking unit (4),
Walking unit (4) include universal wheel (20) and the first walking unit (401) for being respectively and fixedly installed to impacting house (601) two sides and
Second walking unit (402), the universal wheel (20) are fixedly connected on rebound storehouse (602) lower part, and first walking is single
First (401) and the second walking unit (402) are all connected with control cabinet unit (1).
9. a kind of shot-blasting machine according to claim 1, which is characterized in that the power transmission unit (3) includes motor
Belt pulley (301), driving belt (302), belt pulley (303), belt housing (304), bearing unit (305) and ramming head unit
(306), the motor pulley (301) connection ball blast motor (2), the belt pulley (303) connect bearing unit (305)
One end, the other end of described ramming head unit (306) connection bearing unit (305), the driving belt (302) connection electricity
Machine belt pulley (301) and belt pulley (303), the motor pulley (301), driving belt (302) and belt pulley (303) are set
In belt housing (304).
10. a kind of shot-blasting machine according to claim 1, which is characterized in that the shot-blasting machine further includes sealing hairbrush list
First (5), the sealing brush unit (5) are fixedly mounted on the junction of impacting house (601) and rebound storehouse (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910765913.5A CN110385651A (en) | 2019-08-19 | 2019-08-19 | A kind of shot-blasting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910765913.5A CN110385651A (en) | 2019-08-19 | 2019-08-19 | A kind of shot-blasting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110385651A true CN110385651A (en) | 2019-10-29 |
Family
ID=68289011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910765913.5A Pending CN110385651A (en) | 2019-08-19 | 2019-08-19 | A kind of shot-blasting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110385651A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171518A (en) * | 2020-09-30 | 2021-01-05 | 蚌埠市志诚涂装设备科技有限公司 | Movable inner and outer shot blasting and rust removing equipment for large-diameter steel pipe |
| CN116497746A (en) * | 2023-06-27 | 2023-07-28 | 中冶路桥建设有限公司 | Concrete pavement grinding device |
| CN116537020A (en) * | 2023-07-07 | 2023-08-04 | 吉林铁道职业技术学院 | Automatic road surface repairing device for road construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171518A (en) * | 2020-09-30 | 2021-01-05 | 蚌埠市志诚涂装设备科技有限公司 | Movable inner and outer shot blasting and rust removing equipment for large-diameter steel pipe |
| CN116497746A (en) * | 2023-06-27 | 2023-07-28 | 中冶路桥建设有限公司 | Concrete pavement grinding device |
| CN116497746B (en) * | 2023-06-27 | 2023-09-12 | 中冶路桥建设有限公司 | Concrete pavement grinding device |
| CN116537020A (en) * | 2023-07-07 | 2023-08-04 | 吉林铁道职业技术学院 | Automatic road surface repairing device for road construction |
| CN116537020B (en) * | 2023-07-07 | 2023-09-05 | 吉林铁道职业技术学院 | Automatic road surface repairing device for road construction |
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