CN211058245U

CN211058245U - Wall plastering working device

Info

Publication number: CN211058245U
Application number: CN201921753233.3U
Authority: CN
Inventors: 施世清
Original assignee: Zhejiang Baishitong Intelligent Technology Co ltd
Current assignee: Shi Fanfang
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-07-21
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a wall plastering working device, which comprises a wall plastering scraping head and an automatic operation precision compensation base; the automatic operation precision compensation base comprises a telescopic rotating assembly and is used for realizing the telescopic and rotary motion of the wall plastering scraping head relative to the base mounting part on the base. The wall plastering scraping head preferably comprises an upper scraping piece and a slurry recovery hopper; the slurry recovery hopper is used for partially or completely collecting the slurry scraped by the scraping piece. The device of the utility model can be suitable for different types of mortar, has higher operation precision, can realize the recovery of the mortar and avoid pollution, and does not depend on the experience and technology of constructors; the device has high degree of mechanization, can realize the full-height construction from the top to the bottom of the wall surface, and is simultaneously suitable for the operation of planes, internal corners and external corners.

Description

Wall plastering working device

Technical Field

The utility model belongs to the construction machinery field especially relates to a wall plastering equipment.

Background

With the continuous development of mechanical automation, the construction work of the building engineering is also continuously mechanized. However, up to now, the plastering work by screeding has been mainly done by hand. During manual construction, the techniques of constructors are uneven, so that the construction quality stability is poor and the construction progress is slow; moreover, construction workers must finish the operation task in a long time, and the problems of large physical consumption, high labor intensity, long time consumption, high labor cost and the like exist.

Some slurry scraping and plastering equipment are disclosed in the prior art, and are used for replacing partial manual operation procedures, but the equipment generally has the problems of low construction precision and low mechanization degree, and the slurry scraping and plastering equipment can only use cement mortar generally, is difficult to adopt other mortar for construction, and can not meet the requirements of the current or future building construction industry.

The paste scraping and plastering equipment in the prior art is only used for plastering on planes and cannot effectively plaster areas such as internal corners and external corners of walls.

If one plastering mechanical device is suitable for different types of mortar, has higher operation precision, can realize the recovery of the mortar to avoid pollution, does not depend on the experience and the technology of constructors, and creates great benefit for the society.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art not enough, the expectation provides a new wall construction equipment that plasters, and this wall equipment can replace traditional manual work, is applicable to various types of mortar to collect the thick liquids, solve a great deal of drawback.

The wall plastering working device of the utility model comprises a wall plastering scraping head and an automatic operation precision compensation base; the automatic operation precision compensation base comprises a base main body, a telescopic rotating assembly and at least one scraping head mounting part for connecting or mounting a wall plastering scraping head; the base main body is provided with at least one base mounting part used for connecting an external supporting structure; the telescopic rotating assembly is arranged on the base main body, and the scraping head mounting part is connected with the base mounting seat through the telescopic rotating assembly; the scraping head mounting part is connected with a wall plastering scraping head or is of an integrated structure.

As the preferred scheme of the utility model, the wall plastering scraping head comprises an upper scraping piece and a slurry recycling hopper; the slurry recovery hopper is used for partially or completely collecting the slurry scraped by the upper scraping piece; the slurry recycling hopper is provided with a slurry inlet; the upper scraping piece is connected with the slurry recovery hopper or is of an integrated structure. The utility model discloses an go up the scraper and be the description that adopts for distinguishing the lower scraper in the preferred scheme to a mounted position who goes up scraper and lower scraper is distinguished. However, in the solution without the lower scraping element, the upper scraping element is the scraping element, and the word "upper" in the name of the upper scraping element does not have the limitation of the installation position, and the upper scraping element can be installed (or integrally designed) at any position of the wall plastering scraping head.

As the preferred scheme of the utility model, flexible direction of motion and the axis direction of rotary motion of flexible rotating assembly are perpendicular. When the wall surface is operated, the general telescopic motion direction is the horizontal plane direction, and the telescopic motion mainly changes and adjusts the distance between the wall surface plastering scraping head and the wall surface to be constructed. The rotary motion of the rotary component mainly changes the angle of the wall plastering scraping head so as to enable the wall plastering scraping head to be positioned on a preset working surface. Because treat that the construction wall is not necessarily smooth, in runner assembly adjustment process, can set for a reference surface (if can come sign this reference surface by laser source transmission laser), the reference surface is for the working face of predetermineeing or with the parallel plane of predetermined working face, wherein the utility model discloses in, predetermined working face indicates the wall after the construction completion of plastering. The utility model discloses the mode of setting for the reference surface can avoid former wall unevenness or slope to the influence of construction, and the wall after the construction is accomplished is markd by the reference surface.

As the preferred scheme of the utility model, scrape first installation department or wall plaster and scrape and be provided with two at least parallel arrangement's laser receiver on the head. The laser receivers receive the plane laser reference beams for marking the reference surface, and at least two laser receivers can simultaneously receive the plane reference laser emitted by the same laser source in a working state.

As a preferred scheme of the utility model, the laser receiver comprises a mounting seat, a turning plate bracket which is positioned on the mounting seat and can slide relative to the mounting seat, a turning plate which is hinged on the turning plate bracket, at least one laser receiving sheet array and an adjusting screw which is used for adjusting the position of the turning plate bracket relative to the mounting seat;

the laser receiving sheet array is arranged on the turning plate, the mounting seat is fixedly connected with the working head mounting part, and the turning plate support can be parallel to the movement direction of the mounting seat, the arrangement direction of the laser receiving sheets in the laser receiving sheet array and the rotation axis direction of the turning plate;

when the laser receiver comprises a plurality of laser receiving chip arrays, the arrangement directions of the laser receiving chips in different laser receiving chip arrays are parallel to each other; and the normal directions of the receiving surfaces of the laser receiving sheets in different laser receiving sheet arrays form included angles.

As the preferred embodiment of the present invention, the laser receiver comprises two laser receiving chip arrays, and the included angle between the normal directions of the receiving surfaces of the laser receiving chips in the two laser receiving chip arrays is 90 °.

As the utility model discloses an optimal scheme, scrape first installation department perhaps the wall plaster and scrape and still be equipped with laser emitter on the head, laser emitter transmission laser when operating condition, the laser of transmission and outside reference line comparison show working head installation department current position and turned angle. In a partially confined area, there is not enough space or conditions to place a laser source to emit a laser reference plane. At the moment, a straight line parallel to the preset working surface can be manually set as a reference line (the distance between the reference line and the preset working surface is known and is equal to the horizontal distance from the laser transmitter to the position of the wall plastering scraping head scraping piece), and the laser transmitter transmits a marking line; the marked line is coincided with the reference line to guide and adjust the position of the wall plastering scraping head.

As the preferred scheme of the utility model, wall plastering equipment still include the whitewashing head, the whitewashing head links to each other with wall plastering scrapes the head, the whitewashing head orientation is adjustable. The purpose of setting up the whitewashing head is that the realization is spouted and is scraped integratively, and the whitewashing head is not the utility model discloses a necessary part. During construction, the wall surface can be sprayed by other independent spraying equipment, and then plastering operation is carried out by the device.

As the preferred scheme of the utility model, wall plastering equipment still include wall distance sensor. The wall surface distance sensor may be a laser range finder which detects a distance using laser light; the wall plastering working device usually takes a vertically arranged laser reference plane as a reference in the moving process, and moves along the vertical plane; therefore, whether the wall surface is flat or not and whether concave-convex areas exist or not can be detected according to the detection signal of the laser range finder actually. According to the detection signal, reasonable guniting can be realized by adjusting the guniting amount and the moving speed of the guniting head by the guniting head, and if the wall surface sunken area is subjected to the method of increasing the guniting amount or reducing the moving speed of the guniting head, the condition that the subsequent smooth construction surface cannot be obtained due to insufficient guniting slurry is avoided.

As a preferable scheme of the present invention, the upper scraping member is one or a combination of more of a female angle scraping member, a male angle scraping member or a plane scraping member. The internal corner scraping piece, the external corner scraping piece or the plane scraping piece can realize plastering operation on almost all wall surfaces. Based on the utility model discloses the unique working method of device, it is the same to the working method of plastering of plane, negative and positive angle, consequently can realize the processing to plane, negative and positive angle through changing the scraper or using different scraper combinations.

As the preferable proposal of the utility model, the upper scraping piece is positioned at the edge of the slurry inlet or higher than the slurry inlet; the wall plastering scraping head further comprises at least one lower scraping piece, the lower scraping piece is positioned below the corresponding upper scraping piece, and the working surfaces of the lower scraping piece and the corresponding upper scraping piece are in the same plane.

As the preferred scheme of the utility model, thick liquids retrieve and be equipped with the elastic expansion bracket on the fill outer wall, the elastic expansion bracket atress can produce the displacement, can trigger travel switch when the elastic expansion bracket takes place the displacement.

As the preferred proposal of the utility model, at least one upper scraping piece is arranged on the elastic expansion bracket.

As the preferable proposal of the utility model, the wall plastering working device also comprises a travel switch and a polish rod for triggering the travel switch; the travel switch is connected with one end of the polish rod, and the other end of the polish rod follows the elastic expansion bracket or the scraping piece.

Furthermore, the upper limit position of the wall plastering device reaching the work is judged through a travel switch, the upper scraping piece touches a ceiling or a beam and other top structures, the upper scraping piece drives the elastic expansion bracket to displace, and the travel switch is triggered through the polish rod. After the travel switch is triggered, the wall plastering working device leaves the construction surface and descends to the bottom of the wall surface, and after the wall plastering working device horizontally moves for a construction unit distance, the next procedure can be started. Certainly, the wall plastering work device can change the advancing direction (move from top to bottom) after the stroke switch is triggered and then carry out one-time finishing operation on the wall, and the wall plastering work device moves to the bottom of the wall to finish one-time plastering process. After the plastering operation is finished once, if the mortar in the mortar recovery hopper is full, the mortar can be led out.

Drawings

Fig. 1 is a schematic structural view of a wall plastering working device;

FIG. 2 is a schematic structural diagram of an automatic operation precision compensation base;

fig. 3 is a schematic structural view of a telescopic assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a rotating assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a wall plastering scraper head;

fig. 6 is a schematic structural view of the wall plastering and scraping head (spraying and scraping integrated machine) of the present invention;

FIG. 7 is a schematic view of the installation of the elastic support frame;

FIG. 8 is a schematic structural view of the upper scraper;

FIG. 9 is a schematic structural view of the slurry spraying head of the present invention;

fig. 10 is a schematic view of the installation of the female and male corner scrapers.

FIG. 11 is a schematic structural view of example 7;

FIG. 12 is a schematic diagram of a laser receiver;

fig. 13 is a schematic structural view (front view) of a laser receiver;

fig. 14 is a schematic view of a dual laser receiving sheet array.

Detailed Description

The invention will be further elucidated and described with reference to a specific embodiment. The utility model discloses in the technical characteristics of each embodiment under the prerequisite that does not conflict each other, all can carry out corresponding combination.

Example 1

As shown in fig. 1, the wall plastering device of the present invention comprises a wall plastering scraping head 2 and an automatic operation precision compensation base 1; the automatic operation precision compensation base 1 comprises a base main body, a telescopic rotating assembly and at least one scraping head mounting part 12 for connecting or mounting a wall plastering scraping head; the base body is provided with at least one base mounting part 11 for connecting an external supporting structure; the telescopic rotating assembly is arranged on the base main body, and the scraping head mounting part 12 is connected with the base mounting seat 11 through the telescopic rotating assembly; the scraping head mounting part 12 is connected with the wall plastering scraping head 2.

In this embodiment, the wall plastering scraper head comprises upper scraping members (21, 23) and a slurry recovery hopper 22; the slurry recovery hopper is used for partially or completely collecting the slurry scraped by the upper scraping piece; the slurry recycling hopper is provided with a slurry inlet; the upper scraping piece is connected with the slurry recovery hopper or is of an integrated structure. The upper scraping element 21 in this embodiment is a plane scraping element and the upper scraping element 23 is a female angle scraping element (in a right angle relationship with the upper scraping element 21, together with the flat angle, for plastering work). The plane scraper 21 is positioned at the edge of the slurry inlet and is slightly higher than the slurry inlet, and the plane scraper 21 is connected with the slurry recovery hopper; the internal corner scraping piece 23 and the slurry recovery hopper are of an integrated structure, and the internal corner scraping piece 23 is the edge of the slurry inlet.

The operation method of the wall plastering working device comprises the following steps: setting a laser reference surface according to the thickness of a required plastering surface, and spraying mortar on a wall surface to be plastered; accumulating the mortar to a certain thickness; by adopting the wall plastering device of the embodiment, the position of the wall plastering device is automatically adjusted according to the received laser signal, so that the distance between the working part of the scraping piece and the wall surface is the required plastering surface thickness. Then the scraping piece scrapes the slurry on the wall surface from bottom to top in a 'shoveling' and/or 'pressing' mode; scraping redundant slurry, and allowing part or all of the scraped slurry to enter a slurry recovery hopper for collection and recycling. The plastering operation from bottom to top is mainly finished by an upper scraping piece.

Example 2

As shown in fig. 2-4, the telescopic rotating assembly of the present embodiment includes a telescopic assembly 100 and a rotating assembly 110; the housing for mounting on the telescopic assembly 100 is understood to be the base body of the present invention, which has the base mounting portion 11 thereon. The telescopic assembly 100 can drive the rotating assembly 110 to perform telescopic motion, so that the rotating assembly 110 is close to or far away from the base mounting part 11; the rotating assembly 110 has a rotating function, and the output end of the rotating assembly can be connected with the scraping head mounting part 12.

Fig. 3 is a schematic diagram of a specific structure of the telescopic assembly 100 in this embodiment; the telescopic assembly 100 mainly comprises a motor 101, a transmission mechanism 102, a screw rod 103, a slide block 104 and a push rod 105; the output end of the motor 101 is connected with the screw rod 103 through the transmission mechanism 102, and the screw rod 103 can be driven to rotate positively and negatively by the rotation of the motor 101; the transmission mechanism 102 can be any transmission mode such as a synchronous belt, a chain sprocket, a gear assembly and the like; the rotation of the screw rod enables the sliding block 104 sleeved on the screw rod to move forwards or backwards along the axial direction of the screw rod; the push rod 105 is fixed to the slider and moves in synchronization with the slider.

Sliding blocks are arranged on two sides of the base main body; the lower part of the rotating assembly 110 is provided with a slide rail, and the slide rail and the slide block are installed in a matching way, so that the telescopic assembly 100 can move relative to the base main body; the push rod 105 is fixedly connected with the rotating assembly 110.

In the present embodiment, the rotating assembly 110 mainly includes a motor 111, a gear 112, a worm 113, a gear ring 114, and a rotating bearing 115; the output end of the motor 111 is provided with a gear 112, the gear 112 is in meshing transmission with an umbrella-shaped gear at the top end of a worm 113, spiral teeth on the worm 113 are meshed with a gear ring 114, the gear ring 114 is fixedly arranged with the outer ring of a rotating bearing 115, and the inner ring of the rotating bearing 115 is fixedly connected to the shell base of the rotating assembly 110. When the motor 111 rotates, the outer ring of the rotating bearing 115 follows up, and the rotation direction of the outer ring is changed by the change of the rotation direction of the motor.

As shown in fig. 3, the squeegee head mounting section 12 is mounted on the outer race of the rotary bearing 115. The scraper mounting 12 of this embodiment corresponds to an intermediate adapter which serves to indirectly mount the scraper on the outer ring of the rotary bearing 115. The utility model discloses a rolling bearing 115's outer lane also can be directly used for the installation to scrape the head as scraping the head installation department, and this is depending on whether the shape and the size of scraping the head allow direct mount to be on rolling bearing 115's outer lane.

It should be noted that the utility model discloses a flexible rotating assembly's purpose is for realizing that wall plastering scrapes the flexible and rotation of head 2 for the base installation department, its implementation is not limited with the embodiment of the utility model provides an embodiment specific form of example.

Example 3

The existing wall plastering device can not plaster the bottom area of the wall normally, and the bottom area of the wall often needs to be supplemented by manpower. As shown in fig. 5, in order to solve this problem, the wall plastering scraper head of this embodiment further includes at least one lower scraper, the lower scraper is located below the upper scraper, and the working surfaces of the lower scraper and the upper scraper are the same plane.

The lower scraper may typically be mounted at the bottom of the slurry recovery hopper. Because the upper and lower scraping part operation surfaces are the same plane, the lower scraping part does not influence the plastering surface obtained by the construction of the upper scraping part in the working process of the scraping head, and the plastering wall surfaces obtained by the upper and lower scraping parts can be perfectly connected together. The lower scraping piece can also perform supplementary operation on the upper scraping paste operation surface in the plastering operation so as to improve the construction quality.

Example 4

Fig. 6 is a schematic view of a wall plastering apparatus according to another embodiment of the present invention. On the basis of the embodiment 1, the present embodiment mainly adds the guniting head 3, the laser receiver 4 and the limit switch 5, wherein the 3 components can be provided with one or two of the components at the same time or only one of the components.

The function of the guniting head 3 is to realize the spraying and scraping integration of the wall plastering device;

the laser receiver 4 is used for improving the construction precision and further adjusting the working head through laser induction.

The limit switch 5 is used for protecting the working head when the working head moves to the top end of the wall surface, and can further change the moving direction of the working head.

As shown in fig. 6, the scraping head mounting part or the wall plastering scraping head is provided with at least two laser receivers 4, the two laser receivers 4 are respectively positioned at the left side and the right side of the scraping head mounting part, and the laser receivers can be turned over by changing the hinge angle by adopting a hinge mounting mode, so that the laser beams from the same side can be received. The laser receivers receive the plane laser reference beams for marking the reference surface, and at least two laser receivers can simultaneously receive the plane reference laser emitted by the same laser source in a working state. Through two laser receiver's acceptance signal, can judge and scrape the head and whether at operating position (angle and the distance from the wall), if not at operating position, can adjust to the wall that the assurance construction obtained and reference surface parallel and level. It should be noted that, in the process of lifting the working head, since the other laser receiver is usually shielded, only the laser receiver on the side which is not shielded can be started, and at this time, only the telescopic adjustment of the working head is performed, and the rotation adjustment is not performed any more. The reference surface is of course still accepted simultaneously by both sets of laser receivers without occlusion.

In this embodiment, the direction of the telescopic motion of the telescopic rotating assembly is perpendicular to the direction of the axis of the rotating motion. When the wall surface is operated, the general telescopic motion direction is the horizontal plane direction, and the telescopic motion mainly changes and adjusts the distance between the wall surface plastering scraping head and the wall surface to be constructed. The rotary motion of the rotary main part mainly changes the angle of the wall plastering scraping head so as to enable the wall plastering scraping head to be positioned on a preset working surface. Because treat that the construction wall is not necessarily smooth, in runner assembly adjustment process, can set for a reference surface (if can come sign this reference surface by laser source transmission laser), the reference surface is for the working face of predetermineeing or with the parallel plane of predetermined working face, wherein the utility model discloses in, predetermined working face indicates the wall after the construction completion of plastering. The utility model discloses the mode of setting for the reference surface can avoid former wall unevenness or slope to the influence of construction, and the wall after the construction is accomplished is markd by the reference surface.

The guniting head 3 is connected with a wall plastering scraping head, and the orientation of the guniting head can be adjusted so as to enlarge the guniting range. The purpose of setting up the whitewashing head is that the realization is spouted and is scraped integratively, and the whitewashing head is not the utility model discloses a necessary part. During construction, the wall surface can be sprayed by other independent spraying equipment, and then plastering operation is carried out by the device.

In this embodiment, the travel switch 5 is connected to one end of the polish rod, and the other end of the polish rod follows the upper scraper 21. The upper scraping piece 21 is provided with an elastic telescopic component which can elastically move to a certain degree relative to the slurry recovery hopper; when the upper scraping piece 21 touches a beam at the top end of the wall surface or a ceiling, the upper scraping piece moves relative to the slurry recovery hopper and drives the polish rod to trigger the travel switch, and after the travel switch is triggered, the wall surface plastering working device can adjust the working direction or stop working, so that the wall surface plastering working device is prevented from touching the top beam or the ceiling and being damaged. And then the wall plastering working device can leave the construction surface and descend to the bottom of the wall surface, and the next working procedure can be started after horizontally moving for a construction unit distance. Certainly, the wall plastering work device can change the advancing direction (move from top to bottom) after the stroke switch is triggered and then carry out one-time up-down finishing operation on the wall, and the wall plastering work device moves to the bottom of the wall to finish a plastering process. After the plastering operation is finished once, if the mortar in the mortar recovery hopper is full, the mortar can be led out.

The construction method of the wall plastering work device comprises the following steps:

1) installing a guniting head and a wall surface distance sensor on an automatic operation precision compensation base, feeding back the distance between the guniting head and a plastering wall surface in real time by the wall surface distance sensor, adjusting the lifting speed or guniting quantity of the guniting head so as to improve the unevenness of the guniting surface caused by the unevenness of a surface to be constructed, maintaining the distance between the guniting head and the wall surface to be plastered within a set value or a set range, and spraying mortar on the wall surface to be plastered by using the guniting head so as to attach the mortar to the wall surface to be plastered;

2) after the guniting is finished, the wall plastering scraping head moves to the bottom of the wall to be constructed; turning over the laser receivers according to the positions of the laser sources to enable the at least two laser receivers to face the laser sources; the laser source emits laser reference beams parallel to the preset working surface to form a laser reference plane, and at least two laser receivers receive laser signals simultaneously; the automatic operation precision compensation base is adjusted in a telescopic and rotating mode, so that a scraping piece of the wall plastering scraping head is adjusted to a preset working plane;

3) the expansion and rotation of the automatic operation precision compensation base are adjusted in real time through laser signals received by the laser receiver, so that a scraping piece of the wall plastering scraping head is always on a preset working plane, and the wall plastering working device carries out plastering operation on the wall from bottom to top; along with the movement of the wall plastering working device from bottom to top, all or part of the residual slurry scraped by the upper scraping piece automatically enters the slurry recovery hopper for collection, and when the wall plastering working device reaches the upper limit position of work, the wall plastering working device retracts for a certain distance and moves downwards to the bottom of the wall, so that the plastering operation of a single stroke is completed;

4) and if the construction is not finished at the moment, horizontally moving the wall plastering work device for one station, and repeating the step 3) until the whole construction operation is finished.

Example 5

Fig. 7 is a schematic view of the scraper 21 of the structure of fig. 6 with the scraper head partially removed; as can be seen from the figure, the slurry recovery hopper is also provided with an elastic expansion bracket 25, the bottom of the elastic expansion bracket 25 is provided with a plurality of springs 26 and is connected with the slurry recovery hopper, and the elastic expansion bracket 25 can generate displacement under the action of external force; the elastic expansion bracket can trigger a travel switch when moving. The elastic expansion bracket is used for touching the travel switch to realize intelligent control. The working head can move upwards for a certain distance after the travel limit switch is triggered, and the elasticity of the elastic expansion bracket can ensure that the whole mechanism is not damaged when the working head moves upwards after the limit switch is triggered.

The flexible extension bracket 25 can be used as a single travel touch switch for touching when the scraping head travels to the upper edge (or the lower edge) of the construction surface, so that the related control system can know the position of the scraping head and change the travel direction of the scraping head.

In this embodiment, go up scraper 21 and set up on elastic expansion bracket, so set up then scraper 21 on the one hand as main work position, on the other hand is as travel switch's trigger mechanism again, and scraper 21 can scrape thick liquid to the construction face top region, just triggers travel switch when touching the top, but has enlarged the regional area of construction, has solved among the prior art often to be difficult to the problem of the operation of plastering to the wall top. Fig. 8 is a schematic structural view of the upper scraping element 21 of the present invention.

Example 6

As shown in fig. 9, for a specific implementation manner of the spray head of the present invention, the spray head includes a nozzle 31, a connecting arm 32 and a roller 33, a slurry pipe 34 is connected to the nozzle 31, and the outside of the nozzle 31 is connected to the roller 33 through the connecting arm 32; detachably fixing the spray head on the side wall of the slurry recovery hopper; in this embodiment, a pin hole is formed in the spray head, and the spray head is fixed on the slurry recovery hopper through the matching mode of the pin hole and the pin shaft. The spray head can change the pitch angle around the pin shaft, when the scraping head moves downwards and the roller touches the ground, the acting force of the ground can be transmitted to the spray nozzle 31 through the connecting arm 32, and the spray angle of the spray nozzle 31 can be changed.

Some optional and preferred embodiments of the present invention are further described below

The mortar is conveniently led out from the mortar recovery hopper for the mortar outlet; the slurry outlet is provided with an outlet baffle which can be opened and closed by matching with the slurry outlet, the scraped slurry is collected in one slurry scraping stroke, and the scraped slurry is led out by opening the outlet baffle after the one slurry scraping stroke is finished. When the slurry recovery hopper is sufficiently large, the slurry outlet may not be provided.

As shown in fig. 10, they are respectively a schematic view of the concrete structure and installation manner of the external corner scraping element of the present invention; the male wiper body is a rectangular block which is detachably mounted on the upper wiper 21 and the lower wiper 24. The upper scraping piece 21 and the upper male corner scraping piece 28 form a right angle; this right angle is the working point of the male corner scraper (the lower scraper 24 forms a right angle with the lower male corner scraper 29). The wall plastering scraper head scrapes the external corner from bottom to top in a 'shoveling' and pressing mode; scraping redundant slurry, and allowing part or all of the scraped slurry to enter a slurry recovery hopper for collection and recycling. The plastering operation of the external corner can be realized.

Example 7

As shown in fig. 11-14, on the basis of embodiment 4, the laser receiver is designed to include a mounting seat 41, a flap bracket 42 located on the mounting seat and capable of sliding relative to the mounting seat, a flap 43 hinged on the flap bracket, at least one laser receiving sheet array 44, and an adjusting screw 45 for adjusting the position of the flap bracket relative to the mounting seat;

the laser receiving sheet array 44 is arranged on the turning plate 45 and can move along with the turning plate 45, the mounting seat 41 is fixedly connected with the scraping head mounting part, in the embodiment, the laser receiving sheet array is specifically arranged on the left side and the right side of the scraping head mounting part, and the turning plate support can be parallel to the moving direction of the mounting seat, the arrangement direction of the laser receiving sheets in the laser receiving sheet array and the rotating axis direction of the turning plate; in the drawing shown in fig. 11, all three directions are horizontal. Wherein the arrangement direction of the laser-receiving sheets refers to the arrangement direction between the laser-receiving sheets, as shown in fig. 12 and 13, the laser-receiving sheets of the present embodiment are arranged in rows, and the extending direction of the rows is the arrangement direction. The same laser receiving sheet array may also be formed by multiple rows of staggered arrangements (for example, two rows of staggered arrangements), and at this time, the extending direction of the single row of laser receiving sheets is still the arrangement direction.

The adjusting screw 45 is used for adjusting the positions of the turning plate support and the mounting seat 41, the turning plate support is moved to drive the turning plate and the laser receiving sheets to move together according to the structure of the laser receiver, the positions of the laser receiving sheets in the arrangement direction can be changed by adjusting the adjusting screw 45, and then the mounting error of the laser receiver is eliminated, so that the mounting precision of the base can reach the design requirement.

The laser receiver comprises two laser receiving chip arrays, each laser receiving chip array comprises one row or two rows of laser receiving chips, and the arrangement directions of the laser receiving chips in different laser receiving chip arrays are parallel to each other; the arrangement directions of the laser receiving sheets in a row in the same laser receiving sheet array are also parallel to each other; as shown in fig. 14, the normal direction angles of the receiving surfaces of the laser-receiving sheets in the two laser-receiving sheet arrays are 90 °.

Because the automatic operation precision compensation base moves in the using process, but the position of the laser source emitting the laser reference beam or the reference surface is fixed, the angle of the laser receiving sheet on the automatic operation precision compensation base for receiving the laser changes along with the movement of the automatic operation precision compensation base; moreover, since the laser receiving sheet has a better laser receiving angle (for example, the optimal receiving angle of a part of the laser receiving sheet is ± 45 ° of the normal direction), when the optimal receiving angle is exceeded, the signal may be erroneously determined or the signal may not be received. Therefore, in order to make the laser receiver have a better laser signal receiving effect in the moving process, in this embodiment, the included angle between the normal directions of the receiving surfaces of the laser receiving sheets in the two laser receiving sheet arrays is set to be 90 °, and taking the optimal receiving angle of the laser receiving sheets as the ± 45 ° of the normal direction thereof as an example, under the hinge angle shown in fig. 14 (the laser receiving sheet arrays in the two laser receivers are vertically symmetrical with respect to the horizontal plane), the laser receiver has a better receiving effect on the laser beams emitted from the right side within 180 °.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A wall plastering working device is characterized by comprising a wall plastering scraping head and an automatic operation precision compensation base; the automatic operation precision compensation base comprises a base main body, a telescopic rotating assembly and at least one scraping head mounting part for connecting or mounting a wall plastering scraping head; the base main body is provided with at least one base mounting part used for connecting an external supporting structure; the telescopic rotating assembly is arranged on the base main body, and the scraping head mounting part is connected with the base mounting seat through the telescopic rotating assembly; the scraping head mounting part is connected with a wall plastering scraping head or is of an integrated structure.

2. A wall plastering working apparatus as claimed in claim 1, wherein the wall plastering trowel head comprises an upper scraping member and a slurry recovery hopper; the slurry recovery hopper is used for partially or completely collecting the slurry scraped by the upper scraping piece; the slurry recycling hopper is provided with a slurry inlet; the upper scraping piece is connected with the slurry recovery hopper or is of an integrated structure.

3. A wall plastering work apparatus as claimed in claim 1, wherein the head mounting part or the wall plastering head is provided with at least two laser receivers arranged in parallel.

4. A wall plastering working device as claimed in claim 3, wherein the laser receiver comprises a mounting base, a flap bracket which is positioned on the mounting base and can slide relative to the mounting base, a flap which is hinged on the flap bracket, at least one laser receiving sheet array and an adjusting screw for adjusting the position of the flap bracket relative to the mounting base;

5. A wall plastering working device as claimed in claim 1, wherein a laser transmitter is further provided on the plastering head mounting part or the wall plastering head, the laser transmitter emits laser in a working state, and the emitted laser is compared with an external reference line to display the current position and rotation angle of the working head mounting part.

6. A wall plastering work apparatus as claimed in claim 1 or 2, further comprising a guniting head connected to the wall plastering trowel, the guniting head being adjustable in orientation.

7. A wall plastering working apparatus as claimed in claim 6, further comprising a wall surface distance sensor.

8. A wall plastering working apparatus as claimed in claim 2, wherein the upper scraping member is positioned at the edge of the slurry inlet or higher than the slurry inlet; the wall plastering scraping head further comprises at least one lower scraping piece, the lower scraping piece is positioned below the corresponding upper scraping piece, and the working surfaces of the lower scraping piece and the corresponding upper scraping piece are in the same plane.

9. A wall plastering working device as claimed in claim 2, wherein the outer wall of the slurry recovery hopper is provided with an elastic expansion bracket which can be stressed and displaced, and the displacement of the elastic expansion bracket can trigger a travel switch; at least one upper scraping piece or lower scraping piece is arranged on the elastic expansion bracket.

10. A wall plastering working apparatus as claimed in claim 9, further comprising a travel switch and a polish rod for activating the travel switch; the travel switch is connected with one end of the polish rod, and the other end of the polish rod follows the elastic expansion bracket or the scraping piece.