CN111021201A - Slurry trowelling device and evener - Google Patents
Slurry trowelling device and evener Download PDFInfo
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- CN111021201A CN111021201A CN202010002633.1A CN202010002633A CN111021201A CN 111021201 A CN111021201 A CN 111021201A CN 202010002633 A CN202010002633 A CN 202010002633A CN 111021201 A CN111021201 A CN 111021201A
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- plate
- leveling
- seesaw
- slurry
- troweling
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/42—Machines for imparting a smooth finish to freshly-laid paving courses other than by rolling, tamping or vibrating
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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
Abstract
The invention relates to the field of construction machinery, and discloses a slurry trowelling device and a levelling machine. Wherein the slurry leveling device comprises a cross beam; the leveling assembly is connected with the cross beam in a sliding mode and can slide along the extending direction of the cross beam, the leveling assembly comprises a leveling plate, and the leveling plate can be abutted against slurry on the ground so as to level the slurry in the process of sliding along the extending direction of the cross beam; and the trowelling assembly is connected with the leveling assembly and slides together, and comprises a trowelling plate capable of abutting against slurry on the ground, the trowelling plate is arranged on the side surface of the leveling plate along the extending direction of the cross beam, and the width dimension of the trowelling plate in the direction perpendicular to the extending direction of the cross beam is larger than the width dimension of the leveling plate in the direction. The invention can avoid stacking between adjacent working areas and improve the trowelling quality.
Description
Technical Field
The invention relates to the technical field of construction machinery, in particular to a slurry trowelling device and a levelling machine.
Background
Concrete has high compressive strength, good durability, wide strength grade range and low price, and is widely applied to various civil engineering and house buildings as a structural material. When the concrete is used for pavements, bridge decks, large squares and building floors, the flatness of the surface of the concrete is generally higher. Accordingly, many screeding techniques and equipment for concrete have been developed.
The existing leveling equipment is not suitable for leveling floors because the floor area of the house is relatively narrow, the floor embedded parts are more, and the bearing capacity of an aluminum template or a wood template for supporting concrete is small. If the size of the existing leveling machine is reduced in equal proportion to meet the bearing requirements of the aluminum template and the wood template, the leveling machine jolts too much when walking on the rugged steel bar net due to the undersize of the tire and the too light self weight of the whole machine, and the requirement of the floor flatness cannot be met. Although the laser leveling technology can also be used for compensating the jolt of the leveling machine, the compensation effect is not obvious because the leveling speed of the laser and the walking speed of the leveling machine are difficult to be well matched.
In order to accommodate residential floors with relatively small floor areas, rail-mounted levelers are available on the market. When the rail-mounted leveling machine is used for leveling, the junction of two adjacent working areas is easy to generate stacking materials, and after concrete is solidified, the joint where the stacking materials are generated is easy to become a crack source, so that the strength of the concrete structure is seriously influenced.
How to avoid stacking between adjacent working areas and improve the troweling quality is a technical problem to be solved by the technical personnel in the field.
Disclosure of Invention
Based on the above, the present invention aims to:
provided are a slurry trowelling device and a levelling machine, which can avoid piling between adjacent working areas and improve trowelling quality.
In order to achieve the purpose, the invention adopts the following technical scheme:
a slurry trowelling device, comprising:
a cross beam;
the leveling assembly is connected with the cross beam in a sliding mode and can slide along the extending direction of the cross beam, the leveling assembly comprises a leveling plate, and the leveling plate can be abutted to slurry on the ground so as to level the slurry in the process of sliding along the extending direction of the cross beam; and
the trowelling assembly is connected with the leveling assembly and slides together, and comprises a trowelling plate capable of abutting against slurry on the ground, the trowelling plate is arranged on the side face of the leveling plate along the extending direction of the cross beam, and the width dimension of the trowelling plate in the direction perpendicular to the extending direction of the cross beam is larger than the width dimension of the leveling plate in the direction.
Preferably, the leveling assembly includes two leveling plates, and the two leveling plates are respectively disposed on two sides of the leveling assembly in the sliding direction.
Preferably, the troweling assembly further includes:
and the troweling plate driving mechanism is connected with the troweling plate and can drive the troweling plate to abut against or be far away from the slurry on the ground.
Preferably, one end of the troweling plate is connected with the leveling assembly, the troweling plate is made of elastic materials, the troweling plate naturally abuts against the slurry on the ground, and the troweling plate driving mechanism can drive the troweling plate to bend and deform towards the side away from the ground so as to be away from the slurry on the ground.
Preferably, one end of the troweling plate is rotatably connected with the leveling assembly, the troweling plate is abutted to the slurry on the ground in a natural state, and the troweling plate driving mechanism can drive the troweling plate to rotate towards one side away from the ground so as to be away from the slurry on the ground.
As preferred scheme, the both ends of crossbeam all are equipped with a briquetting, trowelling plate actuating mechanism includes the seesaw structure, the seesaw structure includes:
the middle part of the seesaw rod is rotationally connected with the leveling component; and
the two connecting pieces are respectively connected to one end of the seesaw rod, and each connecting piece is connected with the trowel plate corresponding to the end where the connecting piece is located;
when the leveling component slides to one of the ends of the cross beam, the pressing block at the end is abutted against and pressed down the corresponding end part of the seesaw rod, the seesaw rod is pried to rotate to enable the other end of the seesaw rod to upwarp, and the connecting piece at the other end is driven to drive the troweling plate to be connected and to be away from the ground.
As preferred scheme, the both ends of seesaw all are equipped with compresses tightly the groove, the seesaw structure still includes:
the two elastic pressing elements are fixed on the leveling assembly, are respectively arranged corresponding to the pressing grooves at the two ends of the seesaw rod and can be clamped with the corresponding pressing grooves;
when the pressing block abuts against one end of the seesaw rod to press down, the pressing groove at the end is clamped with the corresponding elastic pressing element so that the end of the seesaw rod keeps a pressing-down state before the leveling component slides to the other end of the cross beam.
Preferably, the end of the seesaw rod is provided with a roller, a rotating shaft of the roller is parallel to a rotating shaft of the seesaw rod, and when the seesaw rod slides to the two ends of the cross beam, the pressing block is abutted to the roller and drives the roller to rotate.
As a preferable scheme, an inclined arc surface inclined in the vertical direction is arranged on the inner side of the pressing block, the inclined arc surface is recessed inwards, and the inclined arc surface is inclined from inside to outside from top to bottom.
Preferably, the connecting piece comprises a flexible inhaul cable, one end of the flexible inhaul cable is connected with one end of the seesaw rod, and the other end of the flexible inhaul cable is connected with the trowelling plate.
As a preferred scheme, a shaft sleeve and a pin shaft penetrating through the shaft sleeve are arranged on the troweling plate, and the flexible inhaul cable is hinged to the pin shaft.
According to the preferable scheme, pull rods penetrating through the seesaw rod are arranged at two ends of the seesaw rod, limiting holes are formed in two ends of each pull rod, two connectors are arranged at one end, connected with the seesaw rod, of the flexible inhaul cable, and the connectors are connected with the pull rods through the limiting holes in a one-to-one correspondence mode.
Still provide a evener, including running gear and foretell thick liquids floating device, the crossbeam sets up on running gear.
The invention has the beneficial effects that:
the invention provides a slurry trowelling device and a trowelling machine, which comprise a cross beam, a levelling component and a trowelling component, wherein the levelling component is connected with the cross beam in a sliding manner and comprises a levelling plate; the leveling assembly is connected with the leveling assembly and comprises a leveling plate, and the width dimension of the leveling plate in the extending direction perpendicular to the cross beam is larger than the width dimension of the leveling plate in the extending direction. When the extension direction of flattening board along the crossbeam removes and the flattening thick liquids, locate the dull and stereotyped thick liquids that further screeds by the flattening board flattening of the rear of flattening board, because the dull and stereotyped both ends in perpendicular to flattening direction floating region all exceed the flattening area of flattening board, consequently the dull and stereotyped thick liquids that can be scraped with the edge of flattening board are floated, avoid piling up between two adjacent work areas of thick liquids floating device by the thick liquids of scraping, improve floating quality.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention 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 for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic illustration of a screed machine according to an embodiment of the present invention;
FIG. 2 is a partial schematic view of a slurry troweling apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view of a screed assembly according to an embodiment of the present invention at one end of a beam;
FIG. 4 is a schematic view of a screed assembly according to an embodiment of the present invention at the other end of the beam;
FIG. 5 is a schematic view of a trowel provided by an embodiment of the present invention;
FIG. 6 is a schematic diagram of a seesaw structure according to an embodiment of the present invention.
In the figure:
1. a cross beam; 101. briquetting;
2. a leveling assembly; 201. a screed plate; 202. mounting a plate;
3. smearing the plate; 301. a shaft sleeve; 302. a pin shaft;
4. a seesaw structure; 401. a seesaw rod; 402. a compaction groove; 403. a roller; 404. a pull rod; 405. a limiting hole; 406. a seesaw shaft; 407. a connecting plate;
5. a flexible cable;
6. an elastic pressing element;
7. a traveling mechanism;
8. an electronic control assembly.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1 to 6, the present embodiment provides a grout screeding apparatus for screeding a concrete floor of a residential floor, comprising a beam 1, a leveling assembly 2 and a screeding assembly. Wherein, leveling component 2 and 1 sliding connection of crossbeam can follow crossbeam 1 and slide, leveling component 2 is including locating the flattening board 201 of bottom, and floating component is connected and slides together with leveling component 2, and floating component includes floating plate 3, and floating plate 3 locates the side of flattening board 201 along the extending direction of crossbeam 1, and floating plate 3 is greater than the width size of flattening board 201 in this orientation in the direction of the extending direction of perpendicular to crossbeam 1. When the extension direction of screed 201 along crossbeam 1 removes and the flattening concrete, the trowelling plate 3 of locating the rear of screed 201 further screeds the concrete by the screed 201 flattening, because trowelling plate 3 all surpasss the flattening area of screed 201 at the regional both ends of the trowelling in perpendicular to flattening direction, consequently trowelling plate 3 can be screeded the concrete that the edge of screed 201 was scraped, avoid piling up between the adjacent work area of two thick liquids trowelling devices by the concrete of scraping, improve the quality of trowelling.
Further, the paste trowelling device also comprises a leveling driving motor, wherein the leveling driving motor is in transmission connection with the leveling component 2 and is used for driving the leveling component 2 to slide along the sliding rail on the cross beam 1.
Further, the troweling assembly comprises two troweling plates 3, the two troweling plates 3 are symmetrically arranged on two sides of the leveling plate 201 in the extending direction of the cross beam 1, and respectively trowel the concrete on the ground when sliding towards two ends of the cross beam 1.
Further, the floating assembly further comprises a floating plate driving mechanism which is connected with the floating plate 3 and can drive the whole floating plate 3 or the floating plate 3 to be abutted or away from the concrete on the ground. Furthermore, one end of the troweling plate 3 is connected with the leveling plate 201, the troweling plate 3 is made of elastic materials such as rubber, one end of the troweling plate 3 is fixedly connected with the leveling plate 201, the troweling plate 3 is parallel to the ground in a natural state, and the troweling plate driving mechanism is connected to the other end of the troweling plate 3 and can drive the other end of the troweling plate 3 to bend and deform towards one side away from the ground so as to be away from concrete on the ground. When the floating operation, the driving mechanism for floating plate drives the floating plate 3 which is arranged at the front end of the leveling plate 201 in the floating direction to bend and deform towards one side deviating from the ground, so that on one hand, the floating plate 3 can be prevented from rolling to the lower side of the leveling plate 201, and on the other hand, the concrete accumulation caused by the material driving in front of the floating plate 3 can be avoided.
Alternatively, the troweling plate 3 may be made of a rigid material such as an iron plate, hinged to the leveling plate 201 or slidably connected in the vertical direction, and driven by the troweling plate driving mechanism to move away from or abut against the concrete on the ground.
Furthermore, both ends of the beam 1 are provided with a pressing block 101, the troweling plate driving mechanism comprises a seesaw rod structure 4, the seesaw rod structure 4 comprises a seesaw rod 401, the middle part of the seesaw rod 401 is rotatably connected to the mounting plate 202 in the leveling component 2 through a seesaw rod 406, the mounting plate 202 is connected with the seesaw rod 406 through a connecting plate 407, the rotating plane of the seesaw rod 401 is parallel to the sliding plane of the leveling component 2, both ends of the seesaw rod 401 are provided with a connecting piece, one end of the connecting piece is connected with the seesaw rod 401, and the other end of the connecting piece is connected with the troweling plate 3 corresponding to the end where the connecting. When the leveling component 2 slides to the leftmost end of the cross beam 1, the pressing block 101 at the left end abuts against the left end of the lower pressure seesaw 401, and the left end of the seesaw 401 is levered to rotate downwards and the right end of the seesaw 401 rotates upwards, so that the trowelling plate 3 connected with the left end of the seesaw 401 gradually recovers to a natural state from a bending state, and the trowelling plate 3 connected with the right end of the seesaw 401 gradually bends towards one side away from the ground; when leveling component 2 slides to the rightmost end of crossbeam 1, be located the right-hand member of briquetting 101 butt push-down seesaw 401 of right-hand member to the right-hand member of prying seesaw 401 rotates downwards and the left end upwards rotates, makes the trowelling plate 3 of being connected with the right-hand member of seesaw 401 resume natural state from crooked commentaries on classics attitude gradually, and the trowelling plate 3 of being connected with the left end of seesaw 401 is crooked towards the one side that deviates from ground gradually. Through the cooperation of briquetting 101 and seesaw structure 4, in the condition that need not external power source, just can realize floating the subassembly and move to the tip of crossbeam 1, when also being about to alternate the floating direction, the state of two floating plates 3 of automatic conversion for floating plate 3 that is in the place ahead on floating the direction is bending deformation all the time, and floating plate 3 that is in the rear keeps the natural state with the ground butt.
Furthermore, the two ends of the seesaw 401 are provided with the pressing grooves 402, the seesaw structure 4 further comprises two elastic pressing elements 6, the elastic pressing elements 6 are fixed on the leveling component 2 and are respectively arranged corresponding to the pressing grooves 402 at the two ends of the seesaw 401, and the elastic pressing elements 6 can be clamped with the corresponding pressing grooves 402. When the pressing block 101 prizes the seesaw 401 to rotate, the pressing groove 402 on one end, abutted to the pressing block 101, of the seesaw 401 is clamped with the corresponding elastic pressing element 6, the pressing groove 402 on the other end is separated from the corresponding elastic pressing element 6, and before the leveling component 2 slides to the other end of the cross beam 1, due to the limitation of the elastic pressing element 6, the two pressing grooves 402 are kept in clamping connection with or separated from the corresponding elastic pressing element 6, so that the posture of the seesaw 401 is kept. Preferably, the elastic pressing member 6 may be a spring plate.
Preferably, a roller 403 is provided on an end of the seesaw rod 401, and a rotation axis of the roller 403 is parallel to a rotation axis of the seesaw rod 401. When the seesaw rod 401 slides to the two ends of the crossbeam 1, the pressing block 101 is abutted to the roller 403 on the corresponding end of the seesaw rod 401, and the roller 403 is driven to rotate, so that the friction between the pressing block 101 and the seesaw rod 401 is reduced, and the service life is prolonged.
Preferably, the inner side of the pressing block 101 is provided with an inclined arc surface inclined in the vertical direction, the inclined arc surface is recessed inwards, and the inclined arc surface is inclined from top to bottom from inside to outside, so that the process of prying the rocker 401 by the pressing block 101 is smoother.
Preferably, the connecting piece includes flexible cable 5, and the one end of flexible cable 5 is connected with the one end of seesaw 401, and the other end is connected with troweling board 3, and flexible cable 5 can be followed its extending direction and stretched out and drawn back certain length for when troweling board 3 is in natural state, can rely on the dead weight to hug closely the concrete surface, improve the quality of floating.
Preferably, the troweling plate 3 is provided with a shaft sleeve 301 and a pin shaft 302 penetrating through the shaft sleeve 301, and the flexible cable 5 is hinged to the pin shaft 302, so that the pulling force applied to the troweling plate 3 by the flexible cable 5 is more uniform.
Further, both ends of the seesaw 401 are provided with pull rods 404 penetrating through the seesaw 401, both ends of the pull rods 404 are provided with limiting holes 405, one end of the flexible inhaul cable 5 connected with the seesaw 401 is provided with two connectors, and the connectors are connected with the pull rods 404 through the limiting holes 405 in a one-to-one correspondence manner. Optionally, the limiting hole 405 is a waist-shaped hole extending along the direction in which the pull rod 404 is disposed.
Example two
As shown in fig. 1, the present embodiment provides a leveling machine, including the paste leveling device provided in the first embodiment, further including a traveling mechanism 7 disposed at two ends of a beam 1 of the paste leveling device, where the traveling mechanism 7 includes a traveling wheel and a traveling motor rotatably connected to the traveling wheel, and the traveling motor is used to drive the traveling wheel to rotate, so that the beam 1 travels in the horizontal direction, and the operation position is adjusted.
Further, the leveling machine further comprises an electric control assembly 8, the electric control assembly 8 is electrically connected with the leveling driving motor and the traveling mechanism 7, the electric control assembly 8 can be a centralized or distributed controller, for example, the electric control assembly can be an independent single chip microcomputer, such as an STM32 single chip microcomputer, or can be formed by a plurality of distributed single chip microcomputers, and a control program can be operated in the single chip microcomputers so as to control the leveling driving motor and the traveling mechanism 7 which are electrically connected with the single chip microcomputers to realize functions of the single chip microcomputers.
Specifically, taking as an example the working of the levelling assembly 2 starting from the left end of the beam 1, the working of the levelling machine is as follows:
s1, in an initial state, the pressing block 101 disposed at the leftmost end of the beam 1 abuts against the left end of the lower pressure seesaw 401, so that the pressing groove 402 at the end is engaged with the corresponding elastic pressing element 6, so that the trowel 3 disposed at the right side of the screed 201 is bent and deformed upward, and the trowel 3 disposed at the left side of the screed 201 abuts against the concrete on the ground by its own weight;
s2, driving the leveling component 2 and the leveling component to slide along the beam 1 together to level the concrete on the ground, keeping the leveling boards 3 on the two sides of the leveling board 201 in the same state until the leveling component 2 moves to the rightmost end of the beam 1;
s3, the leveling component 2 and the leveling component move to the rightmost end of the cross beam 1 and then stop sliding to finish the concrete leveling work of a work area, the pressing block 101 arranged on the rightmost end of the cross beam 1 abuts against the right end of the lower pressure seesaw rod 401, so that the pressing groove 402 on the end is clamped with the corresponding elastic pressing element 6, the pressing groove 402 on the other end is separated from the corresponding elastic pressing element 6, the leveling plate 3 arranged on the left side of the leveling plate 201 bends and deforms upwards, and the leveling plate 3 arranged on the right side of the leveling plate 201 abuts against the concrete on the ground by means of self weight;
s4, the walking mechanism 7 drives the whole slurry troweling device to move a working width along a direction perpendicular to the extending direction of the cross beam 1, and the size of the working width does not exceed the width dimension of the leveling plate 201 in the direction of the working width;
s5, driving the leveling component 2 and the leveling component to slide along the beam 1 together to level the concrete on the ground, keeping the leveling plates 3 on the two sides of the leveling plate 201 unchanged until the leveling component 2 moves to the leftmost end of the beam 1, and finishing the concrete leveling work of another working area;
and S6, repeating the steps S1-S5, and realizing the automatic leveling work of the concrete in the whole area to be leveled.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (13)
1. A slurry trowelling device, comprising:
a cross beam (1);
a levelling assembly (2) slidably connected to the cross beam (1) and slidable along the extension direction of the cross beam (1), the levelling assembly (2) comprising a levelling plate (201), the levelling plate (201) being capable of abutting against the slurry on the ground to level the slurry during sliding along the extension direction of the cross beam (1); and
the trowelling assembly is connected with the leveling assembly (2) and slides together, and comprises a trowelling plate (3) capable of abutting against slurry on the ground, wherein the trowelling plate (3) is arranged on the side face of the leveling plate (201) in the extending direction of the cross beam (1), and the width dimension of the trowelling plate (3) in the direction perpendicular to the extending direction of the cross beam (1) is larger than the width dimension of the leveling plate (201) in the direction.
2. The apparatus for smoothing paste according to claim 1, wherein said smoothing assembly comprises two said smoothing plates (3), said two said smoothing plates (3) being respectively provided on both sides of said smoothing assembly (2) in a sliding direction.
3. The slurry troweling device according to claim 2, wherein the troweling assembly further comprises:
the troweling plate driving mechanism is connected with the troweling plate (3) and can drive the troweling plate (3) to abut against or be far away from the slurry on the ground.
4. A device for troweling of slurry according to claim 3, characterized in that one end of the troweling plate (3) is connected with the leveling assembly (2), the troweling plate (3) is made of elastic material, the troweling plate (3) naturally abuts against the slurry on the ground, and the troweling plate driving mechanism can drive the troweling plate (3) to bend and deform toward the side away from the ground to get away from the slurry on the ground.
5. A slurry troweling device according to claim 3, characterized in that one end of the troweling plate (3) is rotatably connected with the leveling assembly (2), the troweling plate (3) naturally abuts against the slurry on the ground, and the troweling plate driving mechanism can drive the troweling plate (3) to rotate towards the side away from the ground to be away from the slurry on the ground.
6. A device for smoothing pulp according to claim 3, characterized in that both ends of the cross beam (1) are provided with a pressing block (101), the smoothing plate driving mechanism comprises a seesaw structure (4), and the seesaw structure (4) comprises:
the middle part of the seesaw rod (401) is rotatably connected with the leveling component (2); and
the two connecting pieces are respectively connected to one end of the seesaw rod (401), and each connecting piece is connected with the troweling plate (3) corresponding to the corresponding end;
when flattening subassembly (2) slide extremely during wherein one end of crossbeam (1), be located this end briquetting (101) butt pushes down the corresponding tip of seesaw (401) to the sled pole (401) rotate and make the other end of seesaw (401) upwarps, the drive other end the connecting piece drives the connection trowelling plate (3) keep away from ground.
7. The apparatus as claimed in claim 6, wherein the seesaw (401) has two ends each provided with a pressing groove (402), and the seesaw structure (4) further comprises:
the two elastic pressing elements (6) are fixed on the leveling component (2), are respectively arranged corresponding to the pressing grooves (402) at the two ends of the seesaw rod (401), and can be clamped with the corresponding pressing grooves (402);
when the pressing block (101) abuts against one end of the seesaw rod (401) to press down, the pressing groove (402) at the end is clamped with the corresponding elastic pressing element (6) so that the end of the seesaw rod (401) keeps a pressing-down state before the leveling component (2) slides to the other end of the cross beam (1).
8. The paste leveling device according to claim 6, wherein a roller (403) is arranged at the end of the seesaw rod (401), the rotating shaft of the roller (403) is parallel to the rotating shaft of the seesaw rod (401), and when the seesaw rod (401) slides to the two ends of the cross beam (1), the pressing block (101) is abutted to the roller (403) and drives the roller (403) to rotate.
9. Slurry trowelling device according to claim 6, characterized in that the inner side of the press block (101) is provided with an inclined arc surface arranged obliquely to the vertical, said inclined arc surface being recessed inwards, said inclined arc surface being inclined from the top to the bottom outwards.
10. The apparatus as claimed in claim 6, wherein the connecting member comprises a flexible cable (5), one end of the flexible cable (5) is connected with one end of the seesaw rod (401), and the other end is connected with the troweling plate (3).
11. The paste leveling device according to claim 10, wherein a shaft sleeve (301) is arranged on the leveling plate (3), and a pin shaft (302) is arranged in the shaft sleeve (301) in a penetrating manner, and the flexible cable (5) is hinged with the pin shaft (302).
12. The paste floating device according to claim 10, wherein both ends of the seesaw rod (401) are provided with a pull rod (404) penetrating through the seesaw rod (401), both ends of the pull rod (404) are provided with limiting holes (405), one end of the flexible guy cable (5) connected with the seesaw rod (401) is provided with two connectors, and the connectors are connected with the pull rod (404) through the limiting holes (405) in a one-to-one correspondence manner.
13. A screed comprising a running gear (7) and a screed according to any one of claims 1-12, the beam (1) being arranged on the running gear (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010002633.1A CN111021201B (en) | 2020-01-02 | 2020-01-02 | Slurry trowelling device and evener |
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| CN202010002633.1A CN111021201B (en) | 2020-01-02 | 2020-01-02 | Slurry trowelling device and evener |
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| CN111021201B CN111021201B (en) | 2021-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262332A (en) * | 2022-08-05 | 2022-11-01 | 北京城乡建设集团有限责任公司 | Blade automatically regulated trowelling machine |
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