CN215803261U - Concrete slag removing device - Google Patents
Concrete slag removing device Download PDFInfo
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- CN215803261U CN215803261U CN202120801938.9U CN202120801938U CN215803261U CN 215803261 U CN215803261 U CN 215803261U CN 202120801938 U CN202120801938 U CN 202120801938U CN 215803261 U CN215803261 U CN 215803261U
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Abstract
The utility model provides a concrete slag removing device, which belongs to the technical field of slag removing devices, and comprises a vehicle body, a side water gun, a water supply assembly and a swing mechanism, wherein the side water gun is rotatably connected with the vehicle body, and a water spray nozzle of the side water gun extends out of the vehicle body from the side surface of the vehicle body and faces towards a joint gap to be washed; the water supply assembly is arranged on the vehicle body and used for supplying water to the side water gun; the swing mechanism is arranged on the vehicle body, is connected with the side water gun and is used for pushing the side water gun to swing so as to enable the side water gun to wash a section of connecting gap in a reciprocating mode. The concrete slag removing device provided by the utility model improves the washing effect of the concrete slag removing device on the joint gap, and effectively prevents the slag soil from easily forming accumulation at the side mold during pouring.
Description
Technical Field
The utility model belongs to the technical field of slag removal devices, and particularly relates to a concrete slag removal device.
Background
In the civil engineering construction process, in order to improve the quality of concrete segmental casting and reduce the common defects of the quality of honeycomb and pitted surface, the cleaning of the slag ash on the napped surface of the concrete is especially important. The traditional concrete slag removing device mostly adopts a cleaning brush to clean concrete slag, and then a water pipe is used for washing in a large area. The existing muck cleaning device has poor effect of cleaning muck in a joint gap between the side mold and the bottom mold, and the muck is easy to form accumulation at the side mold during pouring, so that the phenomena of honeycombs and pitted surfaces at the bottom of concrete are generated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a concrete slag removing device, and aims to solve the problems that the existing slag removing device has poor effect of cleaning slag in side gaps, the slag is easy to form accumulation at side molds during pouring, and the phenomena of honeycombs and pitted surfaces at the bottom of concrete are caused.
In order to achieve the purpose, the utility model adopts the technical scheme that: the concrete slag removing device comprises a vehicle body, a side water gun, a water supply assembly and a swing mechanism, wherein the side water gun is rotatably connected with the vehicle body, and a water spraying port of the side water gun extends out of the vehicle body from the side surface of the vehicle body and faces towards a joint gap to be washed; the water supply assembly is arranged on the vehicle body and used for supplying water to the side water gun; the swing mechanism is arranged on the vehicle body, is connected with the side water gun and is used for pushing the side water gun to swing so as to enable the side water gun to wash a section of connecting gap in a reciprocating mode.
As another embodiment of the application, the side-mounted water gun swings to form a swing plane, and the connecting gap is located on the swing plane.
As another embodiment of the application, the swing mechanism comprises a first electric cylinder, a slide block and a lever, the first electric cylinder is connected with the vehicle body, a cylinder rod of the first electric cylinder is provided with a branch rod, one end of the branch rod is connected with the cylinder rod, the other end of the branch rod extends towards the side of the cylinder body of the first electric cylinder, and the branch rod and the cylinder rod are intersected to form an acute angle; the sliding block is connected with the branch rod in a sliding manner and slides along the length direction of the branch rod; one end of the lever is rotatably connected with the sliding block, the other end of the lever is connected with the side water gun, and the middle part of the lever is rotatably connected with the vehicle body; the first electric cylinder is used for driving the branch rod to move along the axis direction of the cylinder rod, and when the branch rod moves, the sliding block on the branch rod pushes the lever to rotate around the rotation center of the vehicle body and the lever so as to push the side-mounted water gun to swing.
As another embodiment of this application, the lateral water gun sets up two symmetrically, and two lateral water guns stretch out the automobile body from the both sides of automobile body respectively, and the cylinder pole of first electronic jar is gone up the symmetry and is equipped with two branch branches, and every branch is continuous with the lateral water gun of homonymy through a set of slider and lever respectively.
As another embodiment of this application, the automobile body includes horizontal chassis, and side squirt and swing mechanism are located the horizontal chassis downside of automobile body, and the lever is on a parallel with the horizontal chassis of automobile body, and the horizontal chassis of the axis of rotation perpendicular to automobile body of lever and automobile body has the contained angle between side squirt and the lever.
As another embodiment of this application, concrete scarfing cinder device still includes elevating system and dust absorption subassembly, and elevating system links to each other with the automobile body, and elevating system is equipped with cleaning brush subassembly, and elevating system is used for promoting cleaning brush subassembly and treats the contact of washing ground, and the dust absorption subassembly links to each other with the automobile body, and the dust absorption subassembly has the dust absorption pipe, and the dust absorption pipe links to each other with elevating system, and the dust absorption pipe is located cleaning brush subassembly's rear, and the dust absorption subassembly is through dust absorption pipe collection dust and debris.
As another embodiment of the present application, the lifting mechanism is a second electric cylinder, and a piston rod of the second electric cylinder is connected with the dust suction pipe and the cleaning brush assembly.
In another embodiment of the present application, the vehicle body is a cart, the horizontal chassis is a plate-shaped chassis, two side plates are respectively disposed on two sides of the horizontal chassis of the vehicle body, wheels are disposed on the side plates, a distance from a front portion of the side plates to the ground is shorter than a distance from a rear portion of the side plates to the ground, the wheels are disposed on the rear portion of the side plates, and when the vehicle is parked, the front portion of the side plates contacts with the ground to support the vehicle body together with the wheels.
As another embodiment of the present application, the inner side of the side plate is provided with a slideway, the length direction of the slideway is parallel to the extending direction of the piston rod of the second electric cylinder, the piston rod of the second electric cylinder is provided with a support plate, two sides of the support plate are respectively connected with the two slideways in a sliding manner, and the dust collection pipe and the cleaning brush assembly are arranged on the support plate.
As another embodiment of this application, the front portion of automobile body is equipped with swing motor, and swing motor's power take off end links to each other with leading squirt, and swing motor is used for driving leading squirt swing, leading squirt with the subassembly that supplies water links to each other.
The concrete slag removal device provided by the utility model has the beneficial effects that: compared with the prior art, the concrete slag removal device is characterized in that the side water guns are rotatably arranged on the vehicle body and respectively extend out of the vehicle body from the side surfaces of the vehicle body, and the vehicle body is provided with the swing mechanism which can drive the side water guns to swing. When the automobile body was marchd, the water supply subassembly was provided water towards the lateral water gun, and the lateral water gun orientation is waited to wash linking gap water spray, and at the lateral water gun water spray in-process, the swing mechanism drive lateral water gun swing for the lateral water gun can be to one section linking gap reciprocal washing, has improved the effect of washing of concrete scarfing cinder device to linking gap, and the dregs form easily in side form department when effectively preventing to pour and pile up.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a concrete slag removal device provided by an embodiment of the utility model;
FIG. 2 is a schematic structural diagram of a concrete slag removal device provided in an embodiment of the present invention at another angle;
fig. 3 is a front view of the concrete slag removing device according to the embodiment of the utility model.
In the figure: 1. a vehicle body; 2. a water supply assembly; 3. laterally arranging a water gun; 4. a first electric cylinder; 5. a support plate; 6. a cleaning brush; 7. a rotating electric machine; 8. a preposed water gun; 9. a swing motor; 10. a dust collection box; 11. a slider; 12. a lever; 13. branch rods are arranged; 14. a second electric cylinder; 16. a dust collection pipe; 101. side plates.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 and 2 together, the concrete slag removing device according to the present invention will now be described. The concrete slag removing device comprises a vehicle body 1, a side water gun 3, a water supply assembly 2 and a swing mechanism, wherein the side water gun 3 is rotatably connected with the vehicle body 1, and a water spraying port of the side water gun 3 extends out of the vehicle body 1 from the side surface of the vehicle body 1 and faces towards a joint gap to be washed; the water supply assembly 2 is arranged on the vehicle body 1 and is used for supplying water to the side water gun 3; the swing mechanism is arranged on the vehicle body 1, is connected with the side water gun 3 and is used for pushing the side water gun 3 to swing so as to enable the side water gun 3 to wash a section of connecting gap in a reciprocating mode.
Compared with the prior art, the concrete slag removal device provided by the utility model has the advantages that the side water guns 3 are rotatably arranged on the vehicle body 1, the side water guns 3 respectively extend out of the vehicle body 1 from the side surface of the vehicle body 1, and the vehicle body 1 is provided with the swing mechanism which can drive the side water guns 3 to swing. When automobile body 1 marchs, water supply assembly 2 supplies water towards side squirt 3, and side squirt 3 towards waiting to wash linking gap water spray, 3 water spray in-process at side squirt, and the swing mechanism drive side squirt 3 swings for side squirt 3 can be to one section linking gap reciprocal washing, has improved the effect of washing of concrete scarfing cinder device to linking gap, and the dregs form easily in side form department and pile up when effectively preventing to pour.
In this embodiment, water supply subassembly 2 includes suction pump and booster pump, and the suction pump is used for drawing water to the side squirt 3 from the water source, and the water that the suction pump of drawing water was come firstly sprays linking gap department through the side squirt 3 of putting behind the booster pump pressure boost, and powerful water pressure strikes can be with linking the gap clean-flushing. The water source in this embodiment can be arranged outside the concrete slag removal device, and the water pump is connected with the water source. The water source in this embodiment may be a water tank provided on the vehicle body 1.
In this embodiment, concrete scarfing cinder device sets up a side and puts squirt 3, when automobile body 1 moves towards a direction, washes the linking gap of one of them side earlier, when automobile body 1 turned around and moves towards the opposite direction, and side is put squirt 3 and can be washed the linking gap of opposite side.
As an embodiment of the concrete slag removal device provided by the present invention, please refer to fig. 1 to 2, the side water gun 3 swings to form a swing plane, and the engagement gap is located on the swing plane.
In the embodiment, the structure of the concrete slag removal device is reasonably designed according to the position of the joint gap to be cleaned, so that the joint gap is positioned on a plane formed by swinging of the side water gun 3 facing the joint gap, and the side water gun 3 can more accurately wash the joint gap.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2, the swing mechanism includes a first electric cylinder 4, a slider 11, and a lever 12, the first electric cylinder 4 is connected to the vehicle body 1, a branch rod 13 is disposed on a cylinder rod of the first electric cylinder 4, one end of the branch rod 13 is connected to the cylinder rod, the other end extends toward the cylinder body side of the first electric cylinder 4, and the branch rod 13 intersects with the cylinder rod to form an acute angle; the sliding block 11 is connected with the branch rod 13 in a sliding mode, and the sliding block 11 slides along the length direction of the branch rod 13; one end of a lever 12 is rotatably connected with the slide block 11, the other end of the lever 12 is connected with the side water gun 3, and the middle part of the lever 12 is rotatably connected with the vehicle body 1; the first electric cylinder 4 is used for driving the branch rod 13 to move along the axis direction of the cylinder rod, and when the branch rod 13 moves, the slide block 11 on the branch rod 13 pushes the lever 12 to rotate around the rotation center of the vehicle body 1 and the lever 12 so as to push the side water gun 3 to swing.
In this embodiment, the jar pole of first electronic jar 4 moves forward, because jar pole and branch's pole 13 form the acute angle, and branch's pole 13 extends towards the cylinder side, the removal of branch's pole 13 drives the slider 11 that divides on the branch pole 13 and moves, because lever 12 rotates with branch's pole 13 and is connected, the other end of lever 12 links to each other with side squirt gun 3, the both ends interlude of lever 12 rotates with automobile body 1 to be connected, slider 11 can push lever 12 and rotate around automobile body 1 and lever 12's rotation center, thereby side squirt gun 3 swings around the rotation connection center of lever 12 and automobile body 1, realize the swing control to side squirt gun 3.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2, the swing mechanism may also be a swing motor, the swing motor is connected to the side-mounted water gun 3, and a power end of the swing motor rotates to drive the side-mounted water gun 3 to swing.
Referring to fig. 2, two side water guns 3 are symmetrically arranged, the two side water guns 3 respectively extend out of the vehicle body 1 from two sides of the vehicle body 1, two branch rods 13 are symmetrically arranged on a cylinder rod of the first electric cylinder 4, and each branch rod 13 is connected with the side water gun 3 on the same side through a group of sliders 11 and a lever 12.
In this embodiment, the lateral water gun 3 sets up two, and two lateral water guns 3 stretch out automobile body 1 from the both sides of automobile body 1 respectively to automobile body 1 is when moving towards one side, and two lateral water guns 3 can wash the linking gap of both sides simultaneously, the cleaning efficiency of improvement.
In this embodiment, two branch rods 13 are symmetrically arranged on the rod of the first electric cylinder 4, and each branch rod 13 is connected with the side water gun 3 on the same side through a set of slide block 11 and a lever 12. Therefore, when the cylinder rod of the first electric cylinder 4 moves, the two branch supporting rods 13 can be driven to move synchronously, so that the sliding blocks 11 arranged on the two branch supporting rods 13 in a sliding mode move along with the two branch supporting rods 13, the two sliding blocks 11 respectively push the lever 12 connected with the sliding blocks in a rotating mode to rotate around the rotating connection center of the vehicle body 1 and the lever 12, and synchronous swinging of the two side water guns 3 is achieved through one drive.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2, the vehicle body 1 includes a horizontal chassis, the side water gun 3 and the swing mechanism are located at a lower side of the horizontal chassis of the vehicle body 1, the lever 12 is parallel to the horizontal chassis of the vehicle body 1, a rotation axis of the lever 12 and the vehicle body 1 is perpendicular to the horizontal chassis of the vehicle body 1, and an included angle is formed between the side water gun 3 and the lever 12.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 and 2, the concrete slag removing device further includes a lifting mechanism and a dust collection assembly, the lifting mechanism is connected to the vehicle body 1, the lifting mechanism is provided with a cleaning brush assembly, the lifting mechanism is used for pushing the cleaning brush assembly to contact with the ground to be cleaned, the dust collection assembly is connected to the vehicle body 1, the dust collection assembly is provided with a dust collection pipe 16, the dust collection pipe 16 is connected to the lifting mechanism, the dust collection pipe 16 is located behind the cleaning brush assembly, and the dust collection assembly collects dust and impurities through the dust collection pipe 16.
In this embodiment, the concrete slag removing device further comprises a lifting mechanism and a dust collecting assembly, the dust collecting assembly is provided with a dust collecting pipe 16, the lifting mechanism is provided with the dust collecting pipe 16 and a cleaning brush assembly, when the vehicle body 1 moves, the lifting mechanism drives the dust collecting pipe 16 and the cleaning brush assembly to descend, the cleaning brush assembly is in contact with the ground to be cleaned, and when the vehicle body 1 moves, the cleaning brush assembly can scrub the ground. The suction pipe 16 is located at the rear of the cleaning brush assembly, and the suction pipe 16 sucks dirt brushed by the cleaning brush assembly therein. When cleaning is not required, the lifting mechanism retracts the dust suction pipe 16 and the cleaning brush assembly upward.
In this embodiment, the dust collection assembly further comprises a dust collection box 10 and a pump body, wherein the dust collection pipe 16 is connected with the dust collection box 10 through a hose, and the dust collection pipe 16 sucks dust and dirt into the dust collection box 10 through the action of the pump body.
In this embodiment, the cleaning brush subassembly includes rotating electrical machines 7 and cleaning brush 6, and cleaning brush 6 is connected in the pivot of rotating electrical machines, and rotating electrical machines 7's pivot rotates and drives cleaning brush 6 and rotate and scrub.
Referring to fig. 2, as a specific implementation manner of the embodiment of the present invention, the lifting mechanism is a second electric cylinder 14, and a piston rod of the second electric cylinder 14 is connected to the dust suction pipe 16 and the cleaning brush assembly.
Referring to fig. 2 and 3, as a specific implementation manner of the embodiment of the present invention, the vehicle body 1 is a trolley, the horizontal chassis is plate-shaped, two sides of the horizontal chassis of the vehicle body 1 are respectively provided with a side plate 101, wheels are arranged on the side plates 101, a distance from a front portion of the side plate 101 to the ground is shorter than a distance from a rear portion of the side plate 101 to the ground, the wheels are located at a rear portion of the side plate 101, and when the vehicle is parked, the front portion of the side plate 101 contacts with the ground to support the vehicle body 1 together with the wheels.
In this embodiment, the vehicle body 1 further includes a pushing frame, the pushing frame is connected to a horizontal chassis of the vehicle body 1, two sides of the chassis are respectively provided with a side plate 101, a rear portion of the side plate 101 is provided with a wheel, and a distance between a front portion of the side plate 101 and the ground is smaller than a distance between the rear portion of the side plate 101 and the ground. When the vehicle body 1 needs to be pushed to advance, the front part of the vehicle body 1 is lifted up through the pushing frame manually, the front part of the side plate 101 is not contacted with the ground, and the vehicle body 1 can be pushed to advance manually. When parking, the front part of the side plate 101 is grounded, and the front part of the side plate 101 supports the vehicle body 1 together with the wheels to park.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2, the inner side of the side plate 101 is provided with a slideway, the length direction of the slideway is parallel to the extending direction of the piston rod of the second electric cylinder 14, the piston rod of the second electric cylinder 14 is provided with a support plate 5, two sides of the support plate 5 are respectively connected with the two slideways in a sliding manner, and the dust suction pipe 16 and the cleaning brush assembly are arranged on the support plate 5.
In this embodiment, the two ends of the supporting plate 5 are respectively connected with the slide ways on the two side plates 101 in a sliding manner, so that the side plates 101 can play a role in supporting the supporting plate 5, and the supporting plate 5 is prevented from shaking and being unstable when ascending and descending along with the second electric cylinder 14.
Referring to fig. 1, a swing motor 9 is disposed at a front portion of a vehicle body 1, a power output end of the swing motor 9 is connected to a front water gun 8, the swing motor 9 is used for driving the front water gun 8 to swing, and the front water gun 8 is connected to a water supply assembly 2.
In this embodiment, the front portion of automobile body 1 is equipped with swing motor 9, and swing motor 9's power take off end links to each other with leading squirt 8, and leading squirt 8 stretches out automobile body 1 front end, and leading squirt 8 is used for carrying out the large tracts of land to wash ground. After cleaning brush subassembly is scrubbed, dust absorption and side water gun 3 washes and finishes to ground, push automobile body 1 and turn back, wash the large tracts of land through leading water gun 8, guarantee abluent cleanliness factor.
In this embodiment, leading squirt 8 and two side squirt 3 link to each other with water supply assembly 2 through the control switch of difference respectively, and when needing to supply water alone leading squirt 8, the control switch that leading squirt 8 is connected is opened. Set up the button on the automobile body 1, the button links to each other with the controller, and operating personnel controls side squirt 3, leading squirt 8, dust absorption subassembly, cleaning brush subassembly through different buttons and whether begins the operation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Concrete scarfing cinder device, its characterized in that includes:
a vehicle body;
the side water gun is rotationally connected with the vehicle body, and a water spraying port of the side water gun extends out of the vehicle body from the side surface of the vehicle body and faces towards a joint gap to be washed;
the water supply assembly is arranged on the vehicle body and used for supplying water to the side water gun; and
the swing mechanism is arranged on the vehicle body, is connected with the side-mounted water gun and is used for pushing the side-mounted water gun to swing so as to enable the side-mounted water gun to wash one section of connecting gap in a reciprocating mode.
2. The concrete slag removal device of claim 1, wherein said side lance swings to form a swing plane, and said engagement gap is located on said swing plane.
3. The concrete slag removal apparatus of claim 1, wherein said swing mechanism comprises:
the first electric cylinder is connected with the vehicle body, a cylinder rod of the first electric cylinder is provided with a branch rod, one end of the branch rod is connected with the cylinder rod, the other end of the branch rod extends towards the side of the cylinder body of the first electric cylinder, and the branch rod and the cylinder rod are intersected to form an acute angle;
the sliding block is connected with the branch rod in a sliding mode and slides along the length direction of the branch rod;
one end of the lever is rotatably connected with the sliding block, the other end of the lever is connected with the side water gun, and the middle of the lever is rotatably connected with the vehicle body;
the first electric cylinder is used for driving the branch supporting rod to move along the axis direction of the cylinder rod, and when the branch supporting rod moves, the sliding block on the branch supporting rod pushes the lever to rotate around the vehicle body and the rotating center of the lever so as to push the side-mounted water gun to swing.
4. The concrete slag removing device as claimed in claim 3, wherein there are two said side water guns symmetrically disposed, two said side water guns extend out of said vehicle body from both sides of the vehicle body, two said branch rods are symmetrically disposed on the cylinder rod of said first electric cylinder, each branch rod is connected to said side water gun on the same side through a set of slide block and lever.
5. The concrete slag removal device of claim 4, wherein the vehicle body comprises a horizontal chassis, the side water gun and the swing mechanism are positioned at the lower side of the horizontal chassis, the lever is parallel to the horizontal chassis of the vehicle body, the rotation axis of the lever and the vehicle body is perpendicular to the horizontal chassis of the vehicle body, and an included angle is formed between the side water gun and the lever.
6. The concrete slag removing device according to claim 5, further comprising a lifting mechanism and a dust suction assembly, wherein the lifting mechanism is connected with the vehicle body, the lifting mechanism is provided with a cleaning brush assembly, the lifting mechanism is used for pushing the cleaning brush assembly to be in contact with the ground to be cleaned, the dust suction assembly is connected with the vehicle body, the dust suction assembly is provided with a dust suction pipe, the dust suction pipe is connected with the lifting mechanism, the dust suction pipe is positioned behind the cleaning brush assembly, and the dust suction assembly collects dust and sundries through the dust suction pipe.
7. The concrete slag removing device according to claim 6, wherein the lifting mechanism is a second electric cylinder, and a piston rod of the second electric cylinder is connected with the dust suction pipe and the cleaning brush assembly.
8. The concrete slag removing device as claimed in claim 6, wherein the body is a cart, the horizontal base is a plate, a side plate is provided on each side of the horizontal base of the body, wheels are provided on the side plates, the distance from the front of the side plate to the ground is shorter than the distance from the rear of the side plate to the ground, the wheels are provided on the rear of the side plates, and the front of the side plate is in contact with the ground to support the body together with the wheels when the vehicle is parked.
9. The concrete slag removing device according to claim 7, wherein the inner side of the side plate is provided with a slideway, the length direction of the slideway is parallel to the extending direction of the piston rod of the second electric cylinder, the piston rod of the second electric cylinder is provided with a support plate, two sides of the support plate are respectively connected with the two slideways in a sliding manner, and the dust suction pipe and the cleaning brush assembly are arranged on the support plate.
10. The concrete slag removing device as claimed in claim 1, wherein a swing motor is provided at the front of the vehicle body, a power output end of the swing motor is connected with the front water gun, the swing motor is used for driving the front water gun to swing, and the front water gun is connected with the water supply assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120801938.9U CN215803261U (en) | 2021-04-19 | 2021-04-19 | Concrete slag removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120801938.9U CN215803261U (en) | 2021-04-19 | 2021-04-19 | Concrete slag removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215803261U true CN215803261U (en) | 2022-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120801938.9U Active CN215803261U (en) | 2021-04-19 | 2021-04-19 | Concrete slag removing device |
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| Country | Link |
|---|---|
| CN (1) | CN215803261U (en) |
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2021
- 2021-04-19 CN CN202120801938.9U patent/CN215803261U/en active Active
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