CN112922348A - Scraper assembly and leveling robot - Google Patents
Scraper assembly and leveling robot Download PDFInfo
- Publication number
- CN112922348A CN112922348A CN202110121716.7A CN202110121716A CN112922348A CN 112922348 A CN112922348 A CN 112922348A CN 202110121716 A CN202110121716 A CN 202110121716A CN 112922348 A CN112922348 A CN 112922348A
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- Prior art keywords
- scraper
- connecting plate
- driving
- blade portion
- blade
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/10—Devices for levelling, e.g. templates or boards
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/20—Implements for finishing work on buildings for laying flooring
- E04F21/24—Implements for finishing work on buildings for laying flooring of masses made in situ, e.g. smoothing tools
- E04F21/241—Elongated smoothing blades or plates, e.g. screed apparatus
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/20—Implements for finishing work on buildings for laying flooring
- E04F21/24—Implements for finishing work on buildings for laying flooring of masses made in situ, e.g. smoothing tools
- E04F21/241—Elongated smoothing blades or plates, e.g. screed apparatus
- E04F21/244—Elongated smoothing blades or plates, e.g. screed apparatus with means to adjust the working angle of the leveling blade or plate
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Soil Working Implements (AREA)
- Road Paving Machines (AREA)
Abstract
The invention provides a scraper component and a leveling robot. The doctor assembly includes: a first blade portion; the second scraper part is arranged in a turnover manner in a vertical plane relative to the first scraper part, the second scraper part is provided with an unfolding position and a folding position, and the first scraper part and the second scraper part are both provided with working surfaces; the driving end of the overturning driving part is connected with the second scraping ruler part, and the second scraping ruler part is switched between the unfolding position and the folding position under the driving of the overturning driving part. The scraper component in the technical scheme of the invention can be suitable for surfaces to be leveled in various sizes.
Description
Technical Field
The invention relates to the technical field of construction machinery, in particular to a scraper assembly and a leveling robot.
Background
The leveling robot is used for replacing manual work to carry out ground leveling operation, has the advantages of high efficiency, high quality and saving manpower, but the scraper on the leveling robot in the prior art can not be folded, can only be adapted to the surface to be leveled with a single size, and can not be applicable to the surface to be leveled with various sizes.
Disclosure of Invention
The invention mainly aims to provide a scraper component and a leveling robot, wherein a second scraping ruler part in the scraper component can be unfolded and folded, so that the scraper component can be suitable for surfaces to be leveled in different sizes.
To achieve the above object, according to one aspect of the present invention, there is provided a doctor blade assembly including: a first blade portion; the second scraper part is arranged in a turnover manner in a vertical plane relative to the first scraper part, the second scraper part is provided with an unfolding position and a folding position, and the first scraper part and the second scraper part are both provided with working surfaces; the driving end of the overturning driving part is connected with the second scraping ruler part, and the second scraping ruler part is switched between the unfolding position and the folding position under the driving of the overturning driving part.
Further, the scraper component further comprises a support frame and a link mechanism, the first scraper portion is connected with the support frame, the turnover driving portion is arranged on the support frame, one end of the link mechanism is in pivot connection with one end, far away from the first scraper portion, of the support frame, and the other end of the link mechanism is in pivot connection with one end, far away from the support frame, of the second scraper portion.
Further, the link mechanism includes: a first link; one end of the first connecting rod is pivotally connected with the supporting frame, the other end of the first connecting rod is pivotally connected with one end of the second connecting rod, and the other end of the second connecting rod is pivotally connected with one end of the second scraper portion.
Further, the scraper assembly further comprises a locking structure for locking the second scraper portion in the extended position, the locking structure being provided on the first scraper portion or the second scraper portion.
Further, the locking structure comprises a locking part arranged on the first scraper part, a mounting hole is formed in one side, facing the first scraper part, of the second scraper part, and the locking part is movably arranged to be matched with the mounting hole.
Further, the locking structure further includes: a hinged seat; one end of the electric push rod is hinged with part of the first scraping ruler part, and the other end of the electric push rod is pivotally connected with one end of the hinged seat; and the pin shaft is connected with the other end of the hinge seat and forms a locking part.
Further, the scraper component comprises two second scraper rule parts which are arranged at two ends of the first scraper rule part; the two overturning driving parts are connected with the two second scraping ruler parts in a one-to-one correspondence mode.
Further, the scraper assembly further comprises a first driving part, and the first scraping ruler part comprises a first connecting plate and a first scraping ruler connected with the first connecting plate; the second scraping ruler part comprises a second connecting plate and a second scraping ruler connected with the second connecting plate, the first connecting plate is in pivot connection with the second connecting plate, a first driving part is arranged between the first connecting plate and the first scraping ruler and between the second connecting plate and the second scraping ruler, so that the first scraping ruler and the second scraping ruler rotate around a first axis, the first scraping ruler and the second scraping ruler both have operation surfaces, the fixed end of the overturning driving part is hinged with the supporting frame, and the driving end of the overturning driving part is hinged with the second connecting plate.
The scraper component further comprises a second driving part arranged on the first scraper part, and the second driving part is in driving connection with the first connecting plate so that the first scraper part and the second scraper part rotate around a second axis, wherein the first axis is perpendicular to the second axis; the first driving part and the second driving part are both electric push rods or linear electric cylinders.
According to another aspect of the present invention, there is provided a planing robot comprising a walking mechanism and the above-described screed assembly disposed on the walking mechanism.
By applying the technical scheme of the invention, the second scraping ruler part which can be turned relative to the first scraping ruler part is arranged, and the second scraping ruler part can be switched between the unfolding position and the folding position under the driving of the turning driving part, so that when the second scraping ruler part is positioned at the unfolding position, the first scraping ruler part and the second scraping ruler part can be used for leveling a large-area surface to be leveled, and when the second scraping ruler part is positioned at the folding position, the first scraping ruler part of the scraper component can be used for leveling a small-area surface to be leveled (namely the width or the length of the surface to be leveled is smaller than the length of the unfolded scraper component), so that the scraper component can be used for leveling various surfaces to be leveled of different sizes.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows a schematic construction of a doctor assembly of an embodiment of the invention (with the second blade portion in an extended position);
FIG. 2 shows a schematic structural view of the doctor assembly of FIG. 1 (with the second blade portion in a folded position);
FIG. 3 shows a schematic view of the connection of the first blade portion and the support bracket of the doctor assembly of FIG. 1;
FIG. 4 shows a schematic view of the connection of the second blade portion and the first drive portion of the doctor assembly of FIG. 1;
FIG. 5 shows a schematic structural view of the linkage mechanism of the doctor assembly of FIG. 1;
FIG. 6 shows a schematic structural view of a locking arrangement of the doctor assembly of FIG. 1; and
fig. 7 is a partial schematic structural view showing a state where the locking structure of the doctor assembly according to the embodiment of the present invention is locked.
Wherein the figures include the following reference numerals:
11. a first blade portion; 111. a first connecting plate; 112. a first scraping rule; 12. a second blade portion; 121. a second connecting plate; 122. a second wiper blade; 123. mounting holes; 20. a support frame; 30. a turnover driving part; 31. a first driving section; 32. a second driving section; 40. a link mechanism; 41. a first link; 42. a second link; 43. a support member; 50. a locking structure; 51. a hinged seat; 52. an electric push rod; 53. a pin shaft; 54. an elastic member; 61. a first fixing plate; 62. a second fixing plate; 63. and a third fixing plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that, in the embodiment of the present invention, the first axis and the second axis are both as shown in fig. 1, and the first axis is perpendicular to the second axis.
As shown in fig. 1 and 2, an embodiment of the present invention provides a doctor assembly. The blade assembly includes a first blade portion 11, a second blade portion 12, and an inversion drive portion 30. Wherein the second blade portion 12 is arranged to be turnable in a vertical plane with respect to the first blade portion 11, the second blade portion 12 has an extended position and a folded position, and both the first blade portion 11 and the second blade portion 12 have working faces; the driving end of the turning driving part 30 is connected with the second blade part 12, and the second blade part 12 is switched between the unfolding position and the folding position under the driving of the turning driving part 30.
In the above technical solution, by providing the second blade portion 12 that can be turned over relative to the first blade portion 11, the second blade portion 12 has an extended position and a folded position, and the second blade portion 12 can be switched between the extended position and the folded position by being driven by the turning driving portion 30. In this way, when the second blade portion 12 is in the extended position (as shown in fig. 1), the working surfaces of the first blade portion 11 and the second blade portion 12 of the blade assembly can perform leveling work on a large area of surface to be leveled, thereby improving the working efficiency of the blade assembly; when the second blade portion 12 is in the folded position (as shown in fig. 2), the working surface of the first blade portion 11 of the blade assembly can be used for leveling a smaller area of the surface to be leveled (i.e., the width or length of the surface to be leveled is less than the length of the unfolded blade assembly), so that the blade assembly described above can be used for leveling a plurality of different sizes of surfaces to be leveled, and thus can be applied to rooms with different areas.
Further, in the embodiment of the present invention, when the second blade portion 12 is in the folded position, the folded blade assembly can be easily moved into and out of narrow places such as doorways and corridors.
With the above arrangement, the telescopic movement of the driving end of the inversion driving part 30 can be converted into the inverting movement of the second blade part 12 with respect to the first blade part 11 so that the second blade part 12 has the folded position and the unfolded position.
Preferably, in the embodiment of the present invention, the turnover driving part 30 may be an electric push rod or an electric cylinder, etc.
Specifically, as shown in fig. 1, in the embodiment of the present invention, the blade assembly further includes a support frame 20 connected to the first blade portion 11, the fixed end of the turnover driving portion 30 is hinged to the support frame 20, and the driving end of the turnover driving portion 30 is hinged to the second blade portion 12, so that the telescopic motion of the driving end of the turnover driving portion 30 can be converted into the turnover motion of the second blade portion 12 relative to the first blade portion 11, so that the second blade portion 12 can be set in a turnover manner in a vertical plane relative to the first blade portion 11.
In an embodiment of the invention, as shown in figure 1, the scraper assembly further comprises a linkage 40, one end of the linkage 40 being pivotally connected to an end of the support frame 20 remote from the first scraper portion 11, and the other end of the linkage 40 being pivotally connected to an end of the second scraper portion 12 remote from the support frame 20.
With the above arrangement, when the second blade portion 12 is switched between the extended position and the folded position, the second blade portion 12 can be more smoothly and smoothly turned over with respect to the first blade portion 11 under the combined action of the turning drive portion 30 and the link mechanism 40, so that the efficiency and stability of switching the second blade portion 12 between the extended position and the folded position can be improved.
As shown in fig. 1 and 5, in the embodiment of the present invention, the link mechanism 40 includes a first link 41 and a second link 42. Wherein, one end of the first link 41 is pivotally connected to the supporting frame 20, the other end of the first link 41 is pivotally connected to one end of the second link 42, and the other end of the second link 42 is pivotally connected to one end of the second blade portion 12.
In the above arrangement, by providing the first connecting rod 41 and the second connecting rod 42, under the action of the turnover driving portion 30, the second blade portion 12 rotates relative to the first blade portion 11, and the first connecting rod 41 rotates around the pivot between the first connecting rod 41 and the support frame 20, and the second connecting rod 42 rotates around the pivot between the second connecting rod 42 and the first connecting rod 41, so as to further drive the second blade portion 12 to rotate, thereby ensuring the smoothness and smoothness of the rotation of the second blade portion 12.
Of course, in embodiments not shown in the drawings, the linkage 40 may also be a three-link mechanism.
As shown in fig. 1, 6 and 7, in an embodiment of the invention, the blade assembly further comprises a locking structure 50 for locking the second blade portion 12 in the extended position, the locking structure 50 being provided on either the first blade portion 11 or the second blade portion 12.
In the above arrangement, when the second blade portion 12 needs to be located at the extended position, the locking structure 50 can lock the second blade portion 12 at the extended position, so that when the scraper assembly is in operation, the second blade portion 12 can be prevented from rotating in a vertical plane relative to the first blade portion 11, and the flatness of the operation of the scraper assembly on the surface to be leveled can be ensured; when the second blade portion 12 is required to be in the folded position, the locking structure 50 can be unlocked so that the second blade portion 12 can be folded.
As shown in fig. 1 and 7, in the embodiment of the present invention, the locking structure 50 includes a locking portion provided to the first blade portion 11, and a mounting hole 123 is provided to a side of the second blade portion 12 facing the first blade portion 11, and the locking portion is movably provided to be fitted with the mounting hole 123.
With the above arrangement, when the second blade portion 12 needs to be in the extended position, the locking portion of the locking structure 50 is moved relative to the first blade portion 11 toward the side where the second blade portion 12 is located, and is inserted into the mounting hole 123 to lock the second blade portion 12 in the extended position; when the second blade portion 12 needs to be in the folded position, the locking portion of the locking structure 50 moves toward the direction of the first blade portion 11 to disengage the locking portion from the mounting hole 123, so that the second blade portion 12 is turned to the folded position by the turning driving portion 30.
Preferably, in an embodiment of the present invention, the locking structure 50 is provided at an end of the first blade portion 11 facing the second blade portion 12, and the locking portion is movable toward the second blade portion 12 so that the locking portion is inserted into the mounting hole 123 and engaged with the mounting hole 123.
As shown in fig. 6, in the embodiment of the present invention, the locking structure 50 further includes a hinge seat 51, a power push rod 52 and a pin 53. Wherein, one end of the electric push rod 52 is hinged with a part of the first scraper part 11, and the other end of the electric push rod 52 is pivotally connected with one end of the hinge seat 51; a pin 53 is connected to the other end of the hinge base 51, and the pin 53 forms a locking portion.
In the above arrangement, when one end of the electric push rod 52 extends out relative to the other end thereof, the hinge base 51 and the pin 53 can be driven to move towards the direction of the second blade portion 12, so that the pin 53 is inserted into the mounting hole 123 and is matched with the mounting hole 123, and thus, it can be ensured that the second blade portion 12 is locked at the unfolding position.
In the embodiment of the present invention, as shown in fig. 3, the spatula assembly further includes a first fixing plate 61 disposed on the first spatula section 11, and by disposing the hinge seat 51, and one end of the electric push rod 52 is hinged to the first fixing plate 61, so that the electric push rod 52 can rotate during the process of inserting the pin 53 into the mounting hole 123, thereby adjusting the angle of inserting the pin 53 into the mounting hole 123, and further avoiding friction between the pin 53 and the inner wall surface of the mounting hole 123.
In an embodiment of the present invention, as shown in fig. 3, the blade assembly further includes a second fixing plate 62 disposed at the first blade portion 11, the second fixing plate 62 having a space from the first fixing plate 61. Locking structure 50 still includes the elastic component 54 that the cover was established in round pin axle 53 periphery, and the one end and the articulated seat 51 butt of elastic component, the other end and the 62 butts of second fixed plate of elastic component, like this, when round pin axle 53 stretches out under electric putter 52's drive, elastic component 54 can play the cushioning effect to round pin axle 53.
As shown in fig. 1 and 2, in the embodiment of the present invention, the blade assembly includes two second blade portions 12, the two second blade portions 12 being provided at both ends of the first blade portion 11; the number of the turnover driving parts 30 is two, and the two turnover driving parts 30 are connected with the two second blade parts 12 in a one-to-one correspondence manner.
Through the arrangement, the length of the scraper component when the two second scraper blade parts 12 are located at the unfolding position is three times that when the second scraper blade parts 12 are located at the folding position, and when the two second scraper blade parts 12 are located at the unfolding position, the width or the length of the scraper component which can be leveled once is three times that when the second scraper blade parts 12 are located at the folding position, so that the leveling area of the scraper component is increased, and the working efficiency of the scraper component is improved.
Preferably, in embodiments of the invention, the blade assembly can be flattened to a width or length of around 2m at a time when the two second blade portions 12 are in the extended position.
Preferably, two second blade portions 12 are symmetrically disposed at both ends of the first blade portion 11.
As shown in fig. 3 and 4, in the embodiment of the present invention, the blade assembly further includes a first driving part 31, and the first blade part 11 includes a first connecting plate 111 and a first blade 112 connected to the first connecting plate 111; the second scraper portion 12 includes a second connecting plate 121 and a second scraper 122 connected to the second connecting plate 121, the first connecting plate 111 and the second connecting plate 121 are pivotally connected, a first driving portion 31 is disposed between the first connecting plate 111 and the first scraper 112 and between the second connecting plate 121 and the second scraper 122, so that the first scraper 112 and the second scraper 122 rotate around a first axis, the first scraper 112 and the second scraper 122 both have working surfaces, a fixed end of the turnover driving portion 30 is hinged to the support frame 20, and a driving end of the turnover driving portion 30 is hinged to the second connecting plate 121.
In the above technical solution, the first driving portion 31 is disposed between the first connecting plate 111 and the first scraper 112 and between the second connecting plate 121 and the second scraper 122, and one end of the first driving portion 31 can move telescopically relative to the other end, so that the telescopic movement of one end of the first driving portion 31 can be converted into the rotation of the first scraper 112 around the first axis relative to the first connecting plate 111, and the rotation of the second scraper 122 around the first axis relative to the second connecting plate 121, so that the angles of the working surfaces of the first scraper 112 and the second scraper 122 around the first axis can be adjusted, the angles of the two scrapers can be adjusted along the front-back direction of fig. 1, and the scraper assembly can be quickly leveled under the working conditions of complicated uneven terrain.
Specifically, in the embodiment of the present invention, one end of the first driving portion 31 is hinged to the first connecting plate 111, the other end of the first driving portion 31 is hinged to the first scraper 112, one end of the first driving portion 31 is hinged to the second connecting plate 121, the other end of the first driving portion 31 is hinged to the second scraper 122, and one end of the first driving portion 31 is telescopically movable relative to the other end, so that the first scraper 112 and the second scraper 122 can be rotated around the first axis.
Further, in the embodiment of the present invention, the first connecting plate 111 and the first scraper 112 and the second connecting plate 121 and the second scraper 122 are connected in an articulated manner, so that the first scraper 112 can rotate with respect to the first connecting plate 111 and the second scraper 122 can rotate with respect to the second connecting plate 121.
As shown in fig. 1 and 2, in the embodiment of the present invention, the scraper assembly further includes a second driving portion 32 disposed on the first scraper portion 11, and the second driving portion 32 is drivingly connected to the first connecting plate 111 to rotate the first scraper portion 11 and the second scraper portion 12 about a second axis, wherein the first axis is perpendicular to the second axis.
In the above arrangement, by providing the second driving portion 32, and the one end of the second driving portion 32 is hinged to the component to be mounted, the other end of the second driving portion 32 is hinged to the first connecting plate 111, and the one end of the second driving portion 32 is telescopically arranged relative to the other end, in this way, the telescopic motion of the one end of the second driving portion 32 can be converted into the rotation of the first blade portion 11 and the second blade portion 12 around the second axis, so that the angles of the working surfaces of the first blade 112 and the second blade 122 around the second axis (i.e. the angles of the first blade 112 and the second blade 122 along the left-right direction in fig. 1) can be adjusted, and the scraper assembly can be quickly leveled under the working conditions of the complicated uneven terrain.
Preferably, in the embodiment of the present invention, the first driving part 31 and the second driving part 32 are both electric push rods or linear electric cylinders.
Preferably, in an embodiment of the present invention, the blade assembly further includes a laser receiver disposed on the linkage mechanism 40 for receiving a laser signal to adjust the angle of the blade assembly by laser measuring the distance of the working surface of the blade assembly from the surface to be leveled and the levelness of the surface to be leveled.
Preferably, as shown in fig. 1 and 5, in the embodiment of the present invention, a support 43 is provided on the pivot axis between the first link 41 and the second link 42 for mounting the laser receiver.
It should be noted that in the embodiment of the present invention, the first scraper blade 112 has a mounting slot, the mounting hole 123 is disposed on the wall surface of the second scraper blade close to the first scraper blade 112, the locking structure 50 is disposed in the mounting slot, and the pin 53 can pass through the mounting slot and cooperate with the mounting hole 123, so as to lock the second scraper blade 12 in the extended position.
According to another aspect of the present invention, embodiments of the present invention provide a leveling robot including a traveling mechanism and the above-described squeegee assembly disposed on the traveling mechanism. The leveling robot of the embodiment of the present invention has the advantages of the above-mentioned blade assembly, and the detailed description thereof is omitted here.
In the embodiment of the present invention, the scraper assembly further includes a third fixing plate 63 disposed on the first connecting plate 111, and the scraper assembly is connected to the traveling mechanism through the third fixing plate 63 and the second driving portion 32.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: through setting up the second scraper portion that can overturn for first scraper portion, make second scraper portion have and expand position and folding position to under the drive of upset drive division, second scraper portion can be switched between expansion position and folding position. Therefore, when the second scraper blade part is positioned at the unfolding position, the working surfaces of the first scraper blade part and the second scraper blade part of the scraper assembly can be used for leveling a large-area surface to be leveled, so that the working efficiency of the scraper assembly is improved; when the second scraping rule position was in folding position, the operation face of the first scraping rule portion of scraper subassembly can carry out the flattening operation to the face of treating of less area, and like this, foretell scraper subassembly can carry out the flattening operation to the face of treating of multiple size and area to can be applicable to the room of variation in size. The angle of the working face of the first scraper and the angle of the working face of the second scraper can be adjusted around the first axis and the second axis by arranging the second driving part and the third driving part, so that the scraper component can be quickly leveled under the working condition of the complex uneven terrain to adapt to the complex terrain.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A doctor assembly, comprising:
a first blade portion;
the second scraper part is arranged in a turnable manner in a vertical plane relative to the first scraper part, the second scraper part is provided with an unfolding position and a folding position, and the first scraper part and the second scraper part are provided with working surfaces;
the driving end of the overturning driving part is connected with the second scraper part, and the second scraper part is switched between the unfolding position and the folding position under the driving of the overturning driving part.
2. The doctor assembly as claimed in claim 1, further comprising a support frame to which the first blade portion is connected and a linkage mechanism provided to the support frame, wherein one end of the linkage mechanism is pivotally connected to an end of the support frame remote from the first blade portion and the other end of the linkage mechanism is pivotally connected to an end of the second blade portion remote from the support frame.
3. The doctor assembly as claimed in claim 2, wherein the linkage mechanism includes:
a first link;
one end of the first connecting rod is pivotally connected with the supporting frame, the other end of the first connecting rod is pivotally connected with one end of the second connecting rod, and the other end of the second connecting rod is pivotally connected with one end of the second scraper portion.
4. The scraper assembly of claim 1 further comprising a locking structure for locking the second scraper portion in the extended position, the locking structure being provided on the first scraper portion or the second scraper portion.
5. The doctor assembly as claimed in claim 4, wherein the locking structure includes a locking portion provided to the first blade portion, and a mounting hole is provided to a side of the second blade portion facing the first blade portion, the locking portion being movably arranged to engage with the mounting hole.
6. The doctor assembly as claimed in claim 5, wherein the locking structure further comprises:
a hinged seat;
one end of the electric push rod is hinged with part of the first scraping ruler part, and the other end of the electric push rod is pivotally connected with one end of the hinged seat;
and the pin shaft is connected with the other end of the hinged seat and forms the locking part.
7. The doctor assembly as claimed in any one of claims 1 to 6, wherein the doctor assembly includes two of the second doctor portions, the two second doctor portions being disposed at opposite ends of the first doctor portion; the number of the turnover driving parts is two, and the two turnover driving parts are connected with the two second scraping ruler parts in a one-to-one correspondence mode.
8. The doctor assembly as claimed in any one of claims 1 to 6, further comprising a first drive portion, the first doctor portion including a first connecting plate and a first doctor connected to the first connecting plate; the second scraping ruler part comprises a second connecting plate and a second scraping ruler connected with the second connecting plate, the first connecting plate is connected with the second connecting plate in a pivoting mode, the first connecting plate is connected with the first scraping ruler in a pivoting mode, the second connecting plate is connected with the second scraping ruler in a pivoting mode, the first driving part is arranged between the first connecting plate and the second scraping ruler in a pivoting mode, so that the first scraping ruler and the second scraping ruler rotate around an equal first axis, the first scraping ruler and the second scraping ruler are provided with the working face, the fixed end of the overturning driving part is hinged to the supporting frame, and the driving end of the overturning driving part is hinged to the second connecting plate.
9. The doctor assembly as claimed in claim 8, further comprising a second drive portion disposed on the first blade portion, the second drive portion being in driving connection with the first connecting plate to rotate the first blade portion and the second blade portion about a second axis, wherein the first axis is perpendicular to the second axis; the first driving part and the second driving part are both electric push rods or linear electric cylinders.
10. A levelling robot comprising a walking mechanism and a doctor assembly as claimed in any one of claims 1 to 9 provided on the walking mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110121716.7A CN112922348B (en) | 2021-01-28 | 2021-01-28 | Scraper assembly and leveling robot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110121716.7A CN112922348B (en) | 2021-01-28 | 2021-01-28 | Scraper assembly and leveling robot |
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| CN112922348A true CN112922348A (en) | 2021-06-08 |
| CN112922348B CN112922348B (en) | 2023-02-10 |
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| JPH0676407U (en) * | 1993-04-08 | 1994-10-28 | 住友建機株式会社 | Auxiliary screen of asphalt finisher |
| US20020090264A1 (en) * | 1999-01-18 | 2002-07-11 | Boudreaux, Kurt J. | Concrete leveling device |
| CN103069941A (en) * | 2013-02-26 | 2013-05-01 | 上海跃进现代农业有限公司 | Paddy field leveller |
| CN111021694A (en) * | 2019-12-18 | 2020-04-17 | 莱赛激光科技股份有限公司 | Small laser concrete paver and elevation setting method thereof |
| CN112127605A (en) * | 2020-10-10 | 2020-12-25 | 孟俊超 | Automatic dry ash scraping device for paving floor tiles |
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