CN218750698U

CN218750698U - Adjustable scraper component for magnetic wheel of wall-climbing robot

Info

Publication number: CN218750698U
Application number: CN202223218228.7U
Authority: CN
Inventors: 高燕武; 张炜; 应爱国; 盛伟斌; 丁杰康; 张红光; 沈永超; 孙志鹏; 邹东; 朱博
Original assignee: Beijing Qirui Innovation Technology Co ltd; Huaneng Zhejiang Energy Development Co Ltd Changxing Branch
Current assignee: Beijing Qirui Innovation Technology Co ltd; Huaneng Zhejiang Energy Development Co Ltd; Huaneng Zhejiang Energy Development Co Ltd Changxing Branch
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-03-28
Anticipated expiration: 2032-12-01
Also published as: DE202023101170U1

Abstract

The present application relates to an adjustable scraper assembly for a magnetic wheel of a wall climbing robot for mounting on top of the magnetic wheel, comprising: the fixed seat comprises two fixed plates arranged side by side at intervals and a connecting shaft rotatably arranged between the two fixed plates, two ends of the connecting shaft respectively penetrate through the fixed plates, and the fixed seat is fixed at the top of the magnetic wheel through the fixed plates; the scraping plates are fixedly arranged on the connecting shaft, and an installation space is formed between the non-scraping surfaces of the scraping plates and two opposite sides of the two fixing plates; two self-adaptation adjusting part install the outside of two fixed plates respectively, including installing the stopper at connecting axle both ends, installing the regulating block on the fixed plate and rotating the torsional spring of connection on the fixed plate, torsional spring one end butt is on the stopper, and other end butt is on the regulating block, and the torsional spring gives scraper blade one all the time to installation space direction pivoted power. This application has and gets rid of the impurity on the magnetic wheel through the scraper blade to carry out the flexible regulation through the torsional spring to the scraper blade, improve detection efficiency's effect.

Description

Adjustable scraper component for magnetic wheel of wall-climbing robot

Technical Field

The present application relates to the field of wall climbing robots, and more particularly, to an adjustable scraper assembly for a magnetic wheel of a wall climbing robot.

Background

The water-cooled wall is the main heated part of the boiler, and is composed of a plurality of rows of steel pipes and distributed around the hearth of the boiler. The inside of the furnace is flowing water or steam, and the outside receives the heat of the flame of the boiler furnace. At present, in order to prevent water wall cooling accidents, a permanent magnetic adsorption wall climbing robot is often used for detecting a water wall, the wall climbing robot is adsorbed on a pipeline of the water wall by four magnetic wheels with adsorption force, and a plurality of magnetic impurities such as iron rust and the like exist on the pipeline of the water wall along with the increase of service time; if the magnetic wheel adsorbs more impurity then can reduce the area of contact of magnetic wheel and water-cooling wall, influences the adsorption affinity of magnetic wheel, has the wall climbing robot to drop from the water-cooling wall pipeline, causes economic loss's hidden danger.

SUMMERY OF THE UTILITY MODEL

On adsorbing the magnetic wheel in order to reduce the magnetic impurities on the water-cooled wall pipe wall, the influence probability of the normal use of robot of crawling improves detection efficiency, and this application provides an adjustable scraper blade subassembly for wall climbing robot magnetic wheel.

The application provides an adjustable scraper blade subassembly for climbing wall robot magnetic wheel adopts following technical scheme:

an adjustable squeegee assembly for a magnetic wheel of a wall climbing robot for mounting on top of the magnetic wheel, comprising:

the fixing seat comprises two fixing plates arranged side by side at intervals and a connecting shaft rotatably arranged between the two fixing plates, two ends of the connecting shaft respectively penetrate through the fixing plates, and the fixing seat is fixed at the top of the magnetic wheel through the fixing plates;

the scraper is fixedly arranged on the connecting shaft, and an installation space is formed between the non-scraping surface of the scraper and two opposite sides of the two fixing plates;

two self-adaptation regulating assembly installs two respectively the outside of fixed plate, self-adaptation regulating assembly is including dismantling the connection the stopper at connecting axle both ends, install regulating block and rotation on the fixed plate are connected torsional spring on the fixed plate, torsional spring one end butt is in on the stopper, other end butt is in on the regulating block, the torsional spring gives all the time stopper one drives the scraper blade to installation space place direction pivoted power.

By adopting the technical scheme, when the crawling robot walks on the pipe wall of the water-cooled wall, the scraper is abutted against the side wall of the magnetic wheel, so that in the rotation process of the magnetic wheel, the scraper scrapes off magnetic impurities on the corresponding magnetic wheel, the crawling robot is ensured to crawl along the water-cooled wall smoothly for detection, and the detection efficiency is improved; and through the setting of self-adaptation regulating assembly, can carry out self-adaptation regulation to the angle of scraper blade for the scraper blade is kept away from the one end of pivot and can be all the time with magnetic wheel lateral wall butt, and the scraper blade gets rid of the effect of impurity better, life extension.

Optionally, two insertion blocks are fixedly connected to the side wall of the connecting shaft, and the two insertion blocks are respectively located at the outer sides of the fixing plates;

the limiting block comprises a sleeve matched with the inserting block in an inserting mode and a butting block fixedly connected to the side wall of the sleeve, and a through groove for the inserting block to be inserted in a sliding mode is formed in the inner wall of the sleeve;

and nuts are connected to the two ends of the connecting shaft in a threaded manner so as to fix the position of the limiting block.

Through adopting above-mentioned technical scheme, with connecting axle and sleeve grafting cooperation and use the nut to fix the position of sleeve on the connecting axle, can realize the quick simple and convenient installation of stopper, and convenient to detach changes.

Optionally, the end of the adjusting block is hinged to the fixing plate, and the adjusting block is fixed at a position opposite to the fixing plate by screws.

Through adopting above-mentioned technical scheme, the regulating block can be adjusted the tensile force of torsional spring, and when the torsional spring appeared using fatigue, can dismantle the screw of fixing the regulating block position earlier, to stopper place direction knob regulating block, when adjusting to suitable position, the position at this moment of fixing the regulating block using the screw for the adjustable scraper blade subassembly of this application has more powerful function, has prolonged the life of torsional spring.

Optionally, an anti-falling groove is formed in one side, facing the adjusting block, of each abutting block, and the torsion spring abuts against the groove bottom of the anti-falling groove;

and one side of the abutting block, which faces the adjusting block, is fixedly connected with two blocking blocks, and the two blocking blocks are respectively positioned on two opposite side walls of the anti-falling groove.

Through adopting above-mentioned technical scheme, anticreep groove and stop the probability that the tip that the piece can effectively reduce the torsional spring drops from the butt joint piece, guarantee the normal use of scraper blade.

Optionally, the adjusting block horizontally extends in the direction where the abutting block is located to form a stop block, the stop block is located on one side, away from the fixed plate, of the adjusting block, and an abutting space for abutting one end of the torsion spring is formed between the stop block and the outer side of the fixed plate.

Through adopting above-mentioned technical scheme, the one end of torsional spring is installed in the butt space and with the regulating block butt, the setting of stop block can produce the one end of torsional spring and block, reduces the probability that the torsional spring tip slipped from the regulating block.

Optionally, a stop block is fixedly mounted on the outer side of each fixing plate, and each stop block is located on one side of the limiting block, which deviates from the adjusting block, and a certain distance exists between the stop block and the limiting block.

Through adopting above-mentioned technical scheme, the dog can restrict the rotation of stopper, the installation of the torsional spring both ends of being convenient for.

Optionally, each knob plunger is installed on the outer side of each fixing plate, each fixing plate is provided with a through hole for the plug head of each knob plunger to pass through, and the plug head of each knob plunger is abutted to the non-scraping surface of each scraper.

By adopting the technical scheme, before installation, the plug head is in an extending state so as to support the scraper plate, and two fixing plates are conveniently installed on the baffle plate; after the installation is accomplished, can pull the handle and pull back the chock plug for the scraper blade under the torsional spring effect with the lateral wall butt of magnetism wheel, and can fix the position of handle through rotating 90 degrees with the handle.

Optionally, the non-scraping surface of the scraper is a first arc surface attached to the side wall of the magnetic wheel, the scraping surface of the scraper is a smooth second arc surface, and one end of the scraper, which is far away from the connecting shaft, is intersected with the first arc surface and the second arc surface to form an acute angle.

Through adopting above-mentioned technical scheme for the scraper blade is better to the effect of scraping off of impurity on the magnetic wheel.

Optionally, fixedly connected with clamp splice on the connecting axle, the connecting axle with the scraper blade passes through clamp splice fixed connection, the confession has been seted up on the clamp splice the mounting groove of scraper blade embedding, the scraper blade with the both sides wall that the clamp splice is relative passes through the bolt rigid coupling.

By adopting the technical scheme, the scraper plate is fixed in the mounting groove of the clamping block, so that the scraper plate is convenient to mount, dismount and replace.

Optionally, a supporting shaft is fixedly installed between the two fixing plates, and the supporting shaft is far away from the installation space.

Through adopting above-mentioned technical scheme, before the installation, the back shaft can avoid two fixed plates to take place relative pivoted probability, and is more convenient when the installation torsional spring.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the scraper, impurities on the magnetic wheel can be removed in the running process of the magnetic wheel; the angle of the scraper can be adjusted through the arrangement of the self-adaptive adjusting assembly, one end of the scraper, which is far away from the connecting shaft, is always tightly abutted against the side wall of the magnetic wheel, the impurity removing effect of the scraper is better, and the service life of the scraper can be prolonged;

2. the adjusting block is rotatably arranged on the fixing plate, and the position of the adjusting block is fixed through the screw, so that when the torsion spring is fatigued, the spring can be tensioned by turning the adjusting block, the scraper blade is kept to be abutted against the side wall of the magnetic wheel, and the service lives of the spring and the scraper blade are prolonged;

3. the probability that the end part of the torsion spring falls off from the abutting block can be reduced through the arrangement of the anti-falling groove and the blocking block;

4. the probability that the end part of the torsion spring falls off from the adjusting block can be reduced through the arrangement of the stop block.

Drawings

Fig. 1 is a schematic view of the present application in use.

Fig. 2 is a schematic view of the overall structure of the present application.

Fig. 3 is a partial structure of the stopper and the outer side of the fixing plate.

Fig. 4 is a schematic structural view showing the abutting relationship between the plug and the scraper of the knob plunger.

Description of the reference numerals: 1. a fixed seat; 11. a fixing plate; 111. mounting holes; 12. a connecting shaft; 121. an insertion block; 13. an installation space; 2. a squeegee; 21. scraping the surface; 22. a non-scratching surface; 23. a free end; 3. an adaptive adjustment component; 31. a limiting block; 311. a sleeve; 3111. a through groove; 312. a butting block; 3121. a drop-proof groove; 313. a blocking block; 314. a clamping block; 315. a channel; 32. an adjusting block; 321. a stop block; 322. an abutting space; 33. a torsion spring; 34. fastening a bolt; 4. a stopper; 5. a knob plunger; 51. a pin head; 52. a handle; 53. a groove; 6. a clamping block; 61. mounting grooves; 7. a copper sleeve; 8. a support shaft; 9. a baffle plate; 10. a magnetic wheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an adjustable scraper blade subassembly for climbing wall robot magnetic wheel. Referring to fig. 1, the adjustable scraper assembly of the present application is used to be installed on the top of each magnetic wheel 10 to scrape off impurities on the magnetic wheels 10, a baffle 9 is provided at the bottom of the wall-climbing robot for easy installation, and the baffle 9 is described first for easy understanding of the installation position and installation manner of the adjustable scraper assembly.

Referring to fig. 1, two groups of baffles 9 are vertically and fixedly connected to the bottom of the wall-climbing robot, each group of baffles 9 comprises two baffles 9, two magnetic wheels 10 located on the same side are divided into a group, the two baffles 9 located on the same group are located at two ends of the two magnetic wheels 10 located on the same group respectively, and adjustable scraper assemblies are respectively fixed at the ends of the two baffles 9 located on the same group in an overlapping manner. In order to remove the impurities on the magnetic wheels 10 when the wall climbing robot walks forwards or backwards, another scraper 2 needs to be installed on the inner sides of the two baffles 9 in the same group for being matched with the adjustable scraper component of the application. Because the installation positions of the two scrapers 2 are different, the other scraper 2 and the adjustable scraper component have different structural arrangements, which are not described herein, and only the adjustable scraper component of the present application is described.

Referring to fig. 2 and 3, the adjustable scraper assembly for the magnetic wheel of the wall-climbing robot includes a scraper 2 for scraping impurities on the magnetic wheel 10 and a holder 1 for fixing the scraper 2 and fixing the scraper 2 on a baffle 9. The fixing seat 1 comprises two fixing plates 11 arranged at intervals and a connecting shaft 12 connected between the two fixing plates 11 in a rotating mode, and the scraper 2 is fixedly connected to the connecting shaft 12. Since the end (hereinafter referred to as free end 23) of the scraper 2 remote from the connecting shaft 12 is used for contact with the magnet wheel 10, the side of the scraper 2 close to the magnet wheel 10 is referred to as non-scraping surface 22, and the side of the scraper 2 remote from the magnet wheel 10 is referred to as scraping surface 21. The connecting shaft 12 and the scrapers 2 are located at one end of the fixing plates 11, so that a mounting space 13 for easy installation is formed between the non-scraping surface 22 of the scrapers 2 and the inner sides of the two fixing plates 11. When the magnetic wheel is mounted, the inner sides of the two fixing plates 11 are respectively abutted against the outer sides of the baffles 9 and fixed by using bolts, and the free ends 23 of the scrapers 2 are abutted against the side walls of the magnetic wheels 10. When the wall climbing robot starts to work, impurities adsorbed on the magnetic wheels 10 can be removed along the scraping surface 21 of the scraping plate 2 during the walking process of the wall climbing robot.

Referring to fig. 3, the scraping surface 21 of the scraper 2 is a smooth arc surface, the non-scraping surface 22 of the scraper 2 is an arc surface fitted to the sidewall of the magnetic wheel 10, and the scraping surface 21 and the non-scraping surface 22 intersect at the free end 23 of the scraper 2 to form an acute angle, so that the adsorbed impurities can be smoothly scraped off when the magnetic wheel 10 rotates, and the impurities can fall off along the scraping surface 21.

Referring to fig. 2, in order to facilitate the installation and the detachment of the scraper 2, a clamping block 6 is fixedly connected to the connecting shaft 12, an installation groove 61 for the scraper 2 to be embedded into is formed in the clamping block 6, and two opposite side walls of the scraper 2 and the clamping block 6 are fixed through screws. The length of the clamp block 6 is slightly smaller than that of the scraper 2 so as to ensure the stability of the installation of the scraper 2.

Referring to fig. 2 and 3, the adaptive adjustment assembly 3 is mounted on the outer side of each fixing plate 11, so that the free end 23 of the scraper 2 can be always abutted against the side wall of the magnetic wheel 10, the scraper 2 is flexibly adjusted, the adaptivity of the scraper 2 is improved, and the service life of the scraper 2 is prolonged.

Referring to fig. 2, both ends of the connecting shaft 12 penetrate through the fixing plates 11 and extend out of the two fixing plates 11, and each adaptive adjustment assembly 3 includes a limiting block 31 detachably connected to an end of the connecting shaft 12, an adjustment block 32 with an end hinged to the fixing plate 11, a torsion spring 33 rotatably connected to the fixing plate 11, and a screw (not shown in the figure) for fixing the position of the adjustment block 32 on the fixing plate 11. One end of the torsion spring 33 abuts against the limiting block 31, the other end of the torsion spring abuts against the adjusting block 32, and in a normal state, the position of the adjusting block 32 is fixed by using a bolt, so that the torsion spring 33 always gives a force to the limiting block 31 to drive the scraper 2 to rotate towards the direction of the installation space 13, and the free end 23 of the scraper 2 always abuts against the side wall of the magnetic wheel 10. When the torsion spring 33 is fatigued, the screw for fixing the position of the adjusting block 32 can be screwed out, the screwing adjusting block 32 rotates towards the direction of the limiting block 31, and when the torsion spring rotates to a proper position, the position of the adjusting block 32 is fixed by the screw. Can increase torsional spring 33's tensile force like this, make scraper blade 2 keep supporting tightly with magnetic wheel 10 under torsional spring 33 spring action, scraper blade 2 scrapes off the effect of impurity better, and makes scraper blade 2 have longer life.

Referring to fig. 2 and 3, in order to facilitate the installation of the limiting block 31 while the limiting block 31 can drive the connecting shaft 12 to rotate synchronously, the limiting block 31 and the connecting shaft 12 are installed in a plug-in fit manner. Specifically, two insertion blocks 121 are fixedly connected to the side wall of the connecting shaft 12, and the two insertion blocks 121 are respectively located at two ends of the connecting shaft 12, which extend out of the fixing plate 11. The limiting block 31 includes a sleeve 311 for mating with the insertion block 121, and an abutting block 312 fixedly connected to a side wall of the sleeve 311 for abutting against one end of the torsion spring 33, and a through groove 3111 for the insertion block 121 to slide is formed on an inner wall of the sleeve 311. The through groove 3111 of the sleeve 311 is aligned with the insertion block 121, so that the insertion block 121 is inserted into the through groove 3111 to mount the limiting block 31. In order to prevent the stop blocks 31 from falling off from the two ends of the connecting shaft 12, the two ends of the connecting shaft 12 also protrude out of the sleeves 311, external threads are processed on the parts of the connecting shaft 12 protruding out of the sleeves 311, and after the stop blocks 31 are installed, the positions of the stop blocks 31 at the two ends of the connecting shaft 12 can be fixed by using two nuts to be respectively in threaded fit with the two ends of the connecting shaft 12.

Referring to fig. 2 and 3, the torsion spring 33 is rotatably connected to the fixing plates 11 through a bolt, specifically, a bolt 34 is fixedly connected to the outer sides of the two fixing plates 11, and the torsion spring 33 is sleeved on the bolt and can rotate relative to the bolt 34. In order to facilitate the two ends of the torsion spring 33 to abut against the abutting block 312 and the adjusting block 32, the stoppers 4 are fixedly connected to the outer sides of the two fixing plates 11, and the stoppers 4 are located on the side of the limiting block 31 away from the adjusting block 32. The stopper 4 can block the stopper 31, so that the stopper 31 is prevented from rotating in a direction away from the adjusting block 32 under the action of the elasticity of the torsion spring 33, and the installation is more convenient.

Referring to fig. 3, a slip-off preventing groove 3121 is opened at a side of the abutting block 312 facing the adjusting block 32, and one end of the torsion spring 33 abuts on a groove bottom of the slip-off preventing groove 3121. The two opposite side walls of the anti-slip groove 3121 can block the end of the torsion spring 33, and the probability that the end of the torsion spring 33 slips from the abutment block 312 can be effectively reduced. Further, two blocking blocks 4313 are fixedly connected to one side of the abutting block 312 facing the adjusting block 32, and the two blocking blocks 4313 are respectively located on two opposite side walls of the anti-drop groove 3121 and located at one end of the abutting block 312 close to the bolting bolt. Furthermore, a fixture block 314 is fixedly connected to the bottom of the anti-slip groove 3121, the fixture block 314 is located at one end of the anti-slip groove 3121 close to the bolting bolt, one end of the fixture block 314 is connected to a stop block 4313 far away from the fixing plate 11, and a channel 315 for the end of the torsion spring 33 to pass through is formed between the other end of the fixture block 314 and the stop block 4313 close to the fixing plate 11, thereby further reducing the probability that the end of the torsion spring 33 slips off the abutment block 312.

Referring to fig. 3, in order to reduce the probability that the other end of the torsion spring 33 slips off the adjusting block 32, one side of the adjusting block 32 away from the fixing plate 11 extends in the direction of the limiting block 31 to form a stop block 321, and an abutting space 322 for the other end of the torsion spring 33 to pass through is formed between the stop block 321 and the outer side of the fixing plate 11.

Referring to fig. 3 and 4, because under the action of the elastic force of the two torsion springs 33, the scraper 2 always receives the force rotating in the direction of the installation space 13, in order to reduce the blocking of the scraper 2 to the installation, and the installation is more convenient, the knob plungers 5 are fixedly installed on the outer sides of the two fixing plates 11, and the fixing plates 11 are provided with through holes for the pin heads 51 of the knob plungers 5 to pass through. The knob plunger 5 is positioned at one end of the fixing plate 11, so that before the pin head 51 and the scraper 2 are installed, the pin head 51 of the knob plunger 5 passes through the through hole and abuts against the non-scraping surface 22 of the scraper 2; after the installation, pull the handle of knob plunger 5 and pull out the chock plug, make scraper blade 2 can be with the lateral wall butt of magnetic wheel 10 under the elasticity effect of torsional spring 33 to rotatory 90 degrees with the handle and overlap in recess 53, can fix the position of round pin head 51.

Referring to fig. 3, in order to reduce friction generated when the connecting shaft 12 and the two fixing plates 11 rotate relative to each other, a copper bush 7 is fixedly connected between the connecting shaft 12 and the fixing plates 11, and both ends of the connecting shaft 12 are inserted into the copper bush 7.

Referring to fig. 2, in order to avoid relative rotation of the two fixing plates 11 during installation or subsequent use, which may cause inconvenience in installation or may cause contact between the scraper 2 and the magnetic wheel 10, a supporting shaft 8 is fixedly connected between the two fixing plates 11, and the supporting shaft 8 is located on a side of the connecting shaft 12 away from the scraper 2. In short, the installation position of the supporting shaft 8 cannot affect the installation and use of the scraper 2, and the supporting shaft 8 is installed at the top corners of the two fixing plates 11.

Referring to fig. 2 and 3, two fixing plates 11 are fixed to two baffle plates 9 by a plurality of bolts, and a plurality of mounting holes 111 for mounting are formed in each of the two fixing plates 11.

The implementation principle of the adjustable scraper component for the magnetic wheel of the wall-climbing robot is as follows: when the fixing device is used, a worker firstly puts the two fixing plates 11 on the end parts of the two baffle plates 9, so that the inner sides of the two fixing plates 11 are abutted against the outer sides of the two baffle plates 9, and then the positions of the two fixing plates 11 are fixed by bolts penetrating through mounting holes 111 which are formed in advance. Then, the pin head 51 is pulled out by pulling the slider of the knob plunger 5, the slider is rotated by 90 degrees and is clamped in the groove 53 of the knob plunger 5, and at the moment, the free end 23 of the scraper 2 is abutted against the side wall of the magnetic wheel 10 under the action of the torsion spring 33.

When the wall climbing robot detects the water wall, the scraper 2 can scrape the impurities adsorbed on the magnetic wheel 10 along with the rotation of the magnetic wheel 10, and the impurities can slip along the smooth cambered surface of the scraping surface 21. The detection efficiency can be effectively improved, and the probability of slow movement and high power consumption caused by the adsorption of impurities on the magnetic wheel 10 is reduced.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An adjustable scraper assembly for a magnetic wheel of a wall-climbing robot, for mounting on top of the magnetic wheel (10), characterized in that: the method comprises the following steps:

the magnetic wheel fixing device comprises a fixing seat (1), wherein the fixing seat (1) comprises two fixing plates (11) arranged side by side at intervals and a connecting shaft (12) rotatably arranged between the two fixing plates (11), two ends of the connecting shaft (12) respectively penetrate through the fixing plates (11), and the fixing seat (1) is fixed at the top of a magnetic wheel (10) through the fixing plates (11);

the scraping plates (2) are fixedly arranged on the connecting shaft (12), and an installation space (13) is formed between the non-scraping surface (22) of each scraping plate (2) and two opposite sides of the two fixing plates (11);

two self-adaptation adjusting part spare (3) are installed two respectively the outside of fixed plate (11), self-adaptation adjusting part spare (3) are including dismantling to be connected stopper (31) at connecting axle (12) both ends, install regulating block (32) and rotation on fixed plate (11) are connected torsional spring (33) on fixed plate (11), torsional spring (33) one end butt is in on stopper (31), the other end butt is in on regulating block (32), torsional spring (33) are given all the time stopper (31) one drives scraper blade (2) to installation space (13) place direction pivoted power.

2. The adjustable squeegee assembly of claim 1, wherein: two insertion blocks (121) are fixedly connected to the side wall of the connecting shaft (12), and the two insertion blocks (121) are respectively positioned on the outer side of the fixing plate (11);

the limiting block (31) comprises a sleeve (311) which is in plug fit with the plug-in block (121) and a butt-joint block (312) which is fixedly connected to the side wall of the sleeve (311), and a through groove (3111) for the plug-in block (121) to be inserted in a sliding manner is formed in the inner wall of the sleeve (311);

both ends of the connecting shaft (12) are in threaded connection with nuts to fix the position of the limiting block (31).

3. The adjustable squeegee assembly of claim 1, wherein: the end part of the adjusting block (32) is hinged on the fixing plate (11), and the relative position of the adjusting block (32) and the fixing plate (11) is fixed through screws.

4. The adjustable squeegee assembly of claim 2, wherein: each abutting block (312) is provided with a separation-preventing groove (3121) towards one side of the adjusting block (32), and the torsion spring (33) abuts against the bottom of the separation-preventing groove (3121);

the abutting block (312) is fixedly connected with two blocking blocks (313) towards one side of the adjusting block (32), and the two blocking blocks (313) are respectively positioned on two opposite side walls of the anti-falling groove (3121).

5. The adjustable squeegee assembly of claim 4, wherein: the adjusting block (32) horizontally extends towards the abutting block (312) to form a stop block (321), the stop block (321) is located on one side, away from the fixing plate (11), of the adjusting block (32), and an abutting space (322) for abutting one end of the torsion spring (33) is formed between the stop block (321) and the outer side of the fixing plate (11).

6. The adjustable squeegee assembly of claim 1, wherein: every the equal fixed mounting in outside of fixed plate (11) has dog (4), every dog (4) all are located stopper (31) deviate from one side of regulating block (32) and with stopper (31) have a certain interval.

7. The adjustable screed assembly for a wall-climbing robot magnet wheel of claim 1, wherein: every knob plunger (5) are all installed in the outside of fixed plate (11), every all offer the confession on fixed plate (11) the through-hole that the chock plug of knob plunger (5) passed, the chock plug of knob plunger (5) with non-scraping face (22) butt of scraper blade (2).

8. The adjustable screed assembly for a wall-climbing robot magnet wheel of claim 1, wherein: the non-scraping surface (22) of the scraper (2) is a first arc surface attached to the side wall of the magnetic wheel (10), the scraping surface (21) of the scraper (2) is a smooth second arc surface, and the scraper (2) is far away from one end of the connecting shaft (12), wherein the first arc surface is intersected with the second arc surface to form an acute angle.

9. The adjustable screed assembly for a wall-climbing robot magnet wheel of claim 1, wherein: fixedly connected with clamp splice (6) on connecting axle (12), connecting axle (12) with scraper blade (2) pass through clamp splice (6) fixed connection, seted up the confession on clamp splice (6) mounting groove (61) of scraper blade (2) embedding, scraper blade (2) with the both sides wall that clamp splice (6) is relative passes through the bolt rigid coupling.

10. The adjustable screed assembly for a wall-climbing robot magnet wheel of claim 1, wherein: two fixed mounting has back shaft (8) between fixed plate (11), back shaft (8) are kept away from installation space (13).