CN111042493B - Construction process for brushing waterproof layer on ground for building interior decoration - Google Patents

Abstract

The invention relates to a construction technique for painting a waterproof layer of a building interior decoration floor, comprising a support device, a painting device and a polishing device; a painting device is installed on the right side of the lower end face of the support device, and a polishing device is installed on the left side of the painting device The grinding device is installed on the left side of the lower end face of the support device. The invention can solve the existing construction technology of painting the waterproof layer of the ground of interior decoration of buildings. Usually, the waterproof coating is painted manually by using a brush head, which has high labor intensity and low efficiency, and is prone to uneven painting and waterproofing in the later stage. The result of water seepage caused by layer cracking, and the existing indoor decoration ground waterproof layer painting construction technology, after painting is completed, air-drying, and no treatment is performed on the unevenness of the waterproof coating layer after air-drying, which may easily lead to waterproof performance in the recesses. Insufficient, the convex part is prone to the follow-up problem of cracking.

Description

A construction technology for painting the ground waterproof layer of building interior decoration

technical field

The invention relates to the technical field of building waterproof construction, in particular to a construction technology for painting and brushing a waterproof layer on the ground of building interior decoration.

Background technique

Indoor waterproofing: In order to prevent indoor water, other water or groundwater from entering the roof, infiltrating into walls, basements and underground structures, and infiltrating into floors and walls, etc.

Waterproof coating: The waterproof film formed by the curing of the waterproof coating has certain elongation, elastoplasticity, crack resistance, impermeability and weather resistance, which can play the role of waterproof, anti-seepage and protection, and has good temperature adaptability. Easy to operate, easy to repair and maintain.

At present, when the existing building interior decoration ground waterproof layer is brushed and constructed, there are usually the following defects: 1. The existing building interior decoration ground waterproof layer brushing construction process usually uses a brush head to brush the waterproof coating manually, The manual labor intensity is high, the efficiency is low, and it is easy to produce uneven brushing, and the consequences of water seepage due to cracking of the waterproof layer in the later stage. After air-drying, the unevenness of the waterproof coating layer will not be treated, which will easily lead to insufficient waterproof performance in the concave area, and subsequent problems of cracking in the convex area.

SUMMARY OF THE INVENTION

(1) Technical problems to be solved

The invention can solve the existing construction technology of painting the waterproof layer of the ground of interior decoration of buildings. Usually, the waterproof coating is painted manually by using a brush head, which has high labor intensity and low efficiency, and is prone to uneven painting and waterproofing in the later stage. The result of water seepage caused by layer cracking, and the existing indoor decoration ground waterproof layer painting construction technology, after painting is completed, air-drying, and no treatment is performed on the unevenness of the waterproof coating layer after air-drying, which may easily lead to waterproof performance in the recesses. Insufficient, the convex part is prone to the follow-up problem of cracking.

(2) Technical solutions

In order to achieve the above object, the present invention adopts the following technical solutions, a construction technique for painting the ground waterproof layer of building interior decoration, the construction technique for painting the ground waterproof layer adopts the following brushing construction equipment, and the brushing construction equipment comprises a supporting device, a coating A brushing device and a polishing device; a brushing device is installed on the right side of the lower end face of the support device, a polishing device is installed on the left side of the brushing device, and the polishing device is installed on the left side of the lower end surface of the supporting device.

The support device includes a top plate, a handle plate, a handle groove, a left baffle, a right baffle and a roller, a handle plate is installed on the left side of the upper end of the top plate, a handle groove is arranged at the top of the handle plate, and a left side of the lower end surface of the top plate is installed. A left baffle is installed, a roller is installed at the lower end of the left side of the left baffle through a pin shaft, a right baffle is installed on the right side of the lower end of the top plate, and a roller is installed at the lower end of the right baffle through a pin shaft. Push the rollers to move the unit to the place to be constructed.

The brushing device includes a material storage frame, a feeding plate, a brush roller frame, a ground brush roller, an electric rotating rod, a coating mechanism, a side brushing mechanism, a lateral leveling mechanism and a material storage tank. A storage frame is installed on the right side, an empty slot is arranged inside the storage frame, a feed plate is installed on the lower end surface of the storage frame, a brush roller frame is installed on the lower end surface of the feed plate, and a storage slot is arranged in the middle of the brush roller frame , There is a through groove in the middle of the feeding plate, and the through groove is connected with the empty groove of the material storage frame and the material storage groove. The paint mechanism is evenly installed on the lower end surface of the brush roller frame. There is a ground brush roller, a side brushing mechanism is installed in the middle of the lower end face of the top plate, and a horizontal smoothing mechanism is installed in the middle of the side brushing mechanism. When working, the paint is filled in the storage frame, and the paint is evenly applied to the ground brush through the paint mechanism. On the surface of the roller, the ground brush roller is driven to rotate by the electric rotating rod, so that the ground brush roller evenly brushes the ground, the corners of the wall are evenly brushed by the side brushing mechanism, and the ground waterproof coating layer after horizontal brushing is brushed by the horizontal smoothing mechanism. The secondary horizontal smoothing treatment is carried out, and the purpose of making the waterproof coating layer more uniform is achieved through the horizontal and vertical brushing process that is perpendicular to each other.

The grinding device includes a dryer, an air outlet, a grinding limit rod, a grinding sliding block, a grinding plate, a rotating motor, a rotating plate and a grinding strip. An air outlet is installed on the lower end face of the machine, a grinding limit rod is installed on the right side of the left baffle, a grinding sliding block is installed on the grinding limit rod by sliding fit, and a grinding plate is installed on the right end surface of the grinding sliding block. A rotating motor is installed symmetrically on the lower end surface of the plate, a rotating plate is installed on the output shaft of the rotating motor, and a polishing strip is evenly arranged on the lower end surface of the rotating plate. The polishing sliding block drives the rotating plate to stick to the waterproof coating layer, the rotating motor drives the rotating plate to rotate, and the polishing strip smoothes the uneven surface of the waterproof coating layer.

The construction process of painting the ground waterproof layer of the interior decoration of the building includes the following steps:

S1. Mobile device: manually push the roller through the handle panel to move the device to the place where construction is required;

S2. Horizontal brushing treatment: The paint is filled in the storage frame, and the paint is evenly applied to the surface of the ground brush roller through the paint mechanism, and the ground brush roller is driven to rotate by the electric rotating rod, so that the ground brush roller evenly brushes the ground;

S3. Side brushing treatment: evenly brush the corners of the wall through the side brushing mechanism;

S4. Horizontal smoothing treatment: The ground waterproof coating layer after horizontal brushing treatment is subjected to secondary horizontal smoothing treatment through the horizontal smoothing mechanism. Purpose;

S5. Drying and grinding treatment: After drying and curing the waterproof coating layer by the dryer, the rotating plate is driven to stick to the waterproof coating layer by the grinding sliding block, the rotating motor drives the rotating plate to rotate, and the polishing strip removes the uneven surface of the waterproof coating layer. Sand flat.

Preferably, the coating mechanism includes a sponge wrapping layer, a sponge brushing layer, a fixed block, a movable block and a brushing spring, a fixed block is evenly installed on the lower end surface of the storage tank, and a sponge wrap is arranged on the periphery of the fixed block There is a through hole in the middle of the fixed block, and a movable block is installed in the through hole by sliding fit. The cross section of the movable block has a T-shaped structure. A brush spring is installed between the movable block and the fixed block, and the lower end surface of the movable block is installed There is a sponge coating layer, and the sponge coating layer and the sponge coating layer are elastically connected. During specific work, the waterproof coating is absorbed and transferred to the sponge coating layer through the sponge coating layer, and the coating spring cooperates with the movable block to make the sponge coating layer. Adhere to the ground brush roller, and evenly apply the waterproof coating to the surface of the ground brush roller.

Preferably, the side brushing mechanism includes a brushing support plate, a chain, a side driving motor, a side brushing roller, a side fixing block, a paint through groove and a side brushing branch chain, and the middle of the lower end surface of the top plate is symmetrical in front and back. A brushing support plate is installed, and a side brushing roller is evenly installed on the lower end surface of the brushing support plate through bearings. The upper side of the side brushing roller is connected by a chain, and a side drive motor is installed on the left side of the chain. There is a side fixing block, a square groove is arranged in the middle of the side fixing block, a paint through groove is arranged in the front and rear of the square groove, and a side brushing branch chain is evenly installed on the outside of the paint through groove. When working, the side driving motor drives the side brushing roller through the chain. Rotate, and the side brushing branch chain evenly coats the waterproof paint in the side fixing block to the surface of the side brushing roller.

Preferably, the lateral smoothing mechanism includes a smoothing sliding rod, a smoothing electric sliding block, a connecting rod, a smoothing roller, a lower baffle, a buffer plate and a buffer spring, and the lower end surface of the side fixing block is installed with The smoothing sliding rod is provided with a lower baffle on the lower end surface of the smoothing sliding rod. The lower baffle is connected with the side fixing block by a fixed method. The top of the smoothing sliding rod is installed with a buffer plate by sliding fit, and a buffer plate is installed on the buffer plate. The buffer spring is connected with the side fixing block. The smoothing electric sliding block is installed on the lower side of the buffer plate. The smoothing electric sliding block is installed on the smoothing sliding rod by sliding fit. There is a connecting rod, and the lower end of the connecting rod is equipped with a leveling roller through a pin shaft. During specific work, the leveling electric sliding block reciprocates up and down along the leveling sliding rod, and the leveling roller is driven by the connecting rod to stick to the waterproof coating layer for horizontal smoothing. Flat reciprocating motion to achieve the purpose of making the waterproof coating layer more uniform.

Preferably, the side brushing branch chain includes insert blocks, sponge heads, brush bristles and paint channels, insert blocks are evenly installed on the outer side of the paint through grooves by means of inserting and fitting, and paint is arranged in the middle of the insert blocks. The outer surface of the insert block is provided with a sponge head, and the sponge head is evenly provided with bristles.

Preferably, a brush cloth layer is provided on the surface of the side brushing roller and the ground brushing roller.

(3) Beneficial effects

1. The construction technology for painting the ground waterproof layer of the building interior decoration provided by the present invention, through the cooperation of the horizontal leveling mechanism and the ground brush roller, the horizontal and vertical brushing technology is realized, and the purpose of making the waterproof coating layer more uniform is achieved. Compared with manually using the brush head to apply the waterproof coating, the manual labor intensity is low, the efficiency is high, and the brushing is uniform, and it is not easy to produce the result of water seepage caused by cracking of the waterproof layer in the later stage;

2. In the construction technique for painting the ground waterproof layer of building interior decoration provided by the present invention, after drying and curing the waterproof coating layer by a dryer, the rotating plate is driven to stick to the waterproof coating layer by grinding the sliding block, and the rotating motor drives the rotating plate to rotate, The sanding strip smoothes the unevenness on the surface of the waterproof coating layer, so as to avoid the subsequent problems of insufficient waterproof performance in the concave area and easy cracking in the convex area.

Description of drawings

The present invention will be further described below with reference to the accompanying drawings and embodiments.

Fig. 1 is the process flow diagram of the present invention;

Fig. 2 is the structural representation of the present invention;

Fig. 3 is the sectional view of the brushing device of the present invention;

Fig. 4 is the structural representation of side brushing mechanism and horizontal smoothing mechanism of the present invention;

Fig. 5 is the structural representation of polishing plate, rotating plate and polishing strip of the present invention;

Fig. 6 is the partial enlarged view of part I of Fig. 2 of the present invention;

Fig. 7 is a partial enlarged view of part II of Fig. 4 of the present invention.

Detailed ways

The embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

As shown in Figures 1 to 7, a construction process for painting a ground waterproof layer for building interior decoration, the construction process for painting the ground waterproof layer adopts the following brushing construction equipment, the brushing construction equipment comprises a support device 1, a brushing device 2 and a polishing device 3; a brushing device 2 is installed on the right side of the lower end surface of the support device 1, a polishing device 3 is installed on the left side of the brushing device 2, and the polishing device 3 is installed on the left side of the lower end surface of the supporting device 1.

The support device 1 includes a top plate 11, a handle plate 12, a handle groove 13, a left baffle 14, a right baffle 15 and a roller 16. A handle plate 12 is installed on the left side of the upper end surface of the top plate 11. The top of the handle plate 12 A handle groove 13 is provided, a left baffle 14 is installed on the left side of the lower end surface of the top plate 11, a roller 16 is installed on the lower end of the left side surface of the left baffle 14 through a pin shaft, and a right baffle plate 15 is installed on the right side of the lower end surface of the top plate 11. A roller 16 is installed on the lower end of the plate 15 through a pin shaft. During specific work, the roller 16 is manually pushed through the handle plate 12 to move the device to the place to be constructed.

The brushing device 2 includes a storage frame 21, a feed plate 22, a brush roller frame 23, a ground brush roller 24, an electric rotating rod 25, a coating mechanism 26, a side brushing mechanism 27, a horizontal smoothing mechanism 28 and a storage mechanism. The material trough 29, a material storage frame 21 is installed on the right side of the lower end surface of the top plate 11, an empty groove is arranged inside the material storage frame 21, a feeding plate 22 is installed on the lower end surface of the material storage frame 21, and the lower end surface of the feeding plate 22 is The brush roller frame 23 is installed on it, the middle of the brush roller frame 23 is provided with a material storage tank 29, the middle of the feed plate 22 is provided with a through groove, and the through groove is connected to the empty groove of the material storage frame 21 and the material storage tank 29, and the lower part of the brush roller frame 23 The paint mechanism 26 is evenly installed on the end surface, the electric rotating rod 25 is installed on the brush roller frame 23, the ground brush roller 24 is installed on the electric rotating rod 25, the surface of the ground brush roller 24 is provided with a brush cloth layer, and the middle of the lower end surface of the top plate 11 is installed There is a side brushing mechanism 27, and a horizontal smoothing mechanism 28 is installed in the middle of the side brushing mechanism 27. During specific work, the paint is filled in the storage frame 21, and the paint is evenly applied to the surface of the ground brush roller 24 through the paint mechanism 26. The electric rotating rod 25 drives the ground brush roller 24 to rotate, so that the ground brush roller 24 evenly brushes the ground, and the corners of the wall are evenly brushed by the side brushing mechanism 27, and the horizontal smoothing mechanism 28 is used to brush the ground waterproof paint. The second horizontal smoothing treatment is carried out on the layer, and the purpose of making the waterproof coating layer more uniform is achieved through the horizontal and vertical brushing process that is perpendicular to each other.

The grinding device 3 includes a dryer 31, an air outlet 32, a grinding limit rod 33, a grinding sliding block 34, a grinding plate 35, a rotating motor 36, a rotating plate 37 and a grinding strip 38. The lower end surface of the top plate 11 is A dryer 31 is installed on the left side, an air outlet 32 is installed on the lower end surface of the dryer 31, a grinding limit rod 33 is installed on the right side of the left baffle 14, and a grinding limit rod 33 is installed on the grinding limit rod 33 by sliding fit. Grinding the sliding block 34, a polishing plate 35 is installed on the right end surface of the polishing sliding block 34, a rotating motor 36 is symmetrically installed on the lower end surface of the polishing plate 35, a rotating motor 36 is installed on the output shaft of the rotating motor 36, and a rotating plate 37 is installed on the lower end surface of the rotating plate 37. The polishing strips 38 are evenly arranged. During specific work, after the waterproof coating layer is dried and cured by the dryer 31, the rotary plate 37 is driven to stick to the waterproof coating layer by the polishing sliding block 34, and the rotary motor 36 drives the rotary plate 37 to rotate, grinding and polishing. The strip 38 smoothes the unevenness on the surface of the waterproof coating layer.

The coating mechanism 26 includes a sponge wrapping layer 261, a sponge brushing layer 262, a fixed block 263, a movable block 264 and a brushing spring 265. The lower end surface of the storage tank 29 is evenly installed with a fixed block 263. The fixed block A sponge wrapping layer 261 is arranged on the periphery of 263, a through hole is arranged in the middle of the fixed block 263, and a movable block 264 is installed in the through hole by sliding fit. A brushing spring 265 is installed, a sponge brushing layer 262 is installed on the lower end surface of the movable block 264, and the sponge brushing layer 262 is in an elastic connection with the sponge wrapping layer 261. On the sponge brushing layer 262 , the brushing spring 265 cooperates with the movable block 264 to make the sponge brushing layer 262 stick to the ground brush roller 24 , and evenly apply the waterproof paint to the surface of the ground brush roller 24 .

The side brushing mechanism 27 includes a brushing support plate 271, a chain 272, a side driving motor 273, a side brushing roller 274, a side fixing block 275, a paint through groove 276 and a side brushing branch chain 277. 11. A brushing support plate 271 is installed symmetrically in the middle of the lower end surface, and a side brushing roller 274 is evenly installed on the lower end surface of the brushing support plate 271 through bearings. The upper side is connected by a chain 272, a side drive motor 273 is installed on the left side of the chain 272, a side fixing block 275 is installed between the painting support plates 271, a square groove is arranged in the middle of the side fixing block 275, and a paint through groove is arranged in the front and rear of the square groove. 276. A side brushing branch chain 277 is evenly installed on the outside of the paint channel 276. During specific work, the side driving motor 273 drives the side brushing roller 274 to rotate through the chain 272. The paint is evenly applied to the surface of the side brushing roller 274 .

The lateral smoothing mechanism 28 includes a smoothing sliding rod 281, a smoothing electric sliding block 282, a connecting rod 283, a smoothing roller 284, a lower baffle 285, a buffer plate 286 and a buffer spring 287. A smoothing sliding rod 281 is installed on the lower end surface of 275, a lower baffle plate 285 is installed on the lower end surface of the smoothing sliding rod 281, the lower baffle plate 285 is connected with the side fixing block 275 by a fixed method, and the top of the smoothing sliding rod 281 is fitted by sliding A buffer plate 286 is installed on the buffer plate 286, a buffer spring 287 is installed on the buffer plate 286 to connect with the side fixing block 275, a smoothing electric sliding block 282 is installed on the lower side of the buffer plate 286, and the smoothing electric sliding block 282 is installed by sliding fit On the smoothing sliding rod 281, connecting rods 283 are installed on the front and rear sides of the smoothing electric sliding block 282 through pins, and the lower end of the connecting rod 283 is installed with a smoothing roller 284 through the pins. 282 reciprocates up and down along the smoothing sliding rod 281, and drives the smoothing roller 284 to stick to the waterproof coating layer through the connecting rod 283 to perform horizontal smoothing and reciprocating motion, so as to achieve the purpose of making the waterproof coating layer more uniform.

The side brushing branch chain 277 includes an insert block 2771, a sponge head 2772, a brush 2773 and a paint channel 2774, and an insert block 2771 is evenly installed on the outer side of the paint through groove 276 by means of plug-fit. A paint channel 2774 is arranged in the middle of the 2771, a sponge head 2772 is arranged on the outer side of the insert block 2771, and bristles 2773 are evenly arranged on the sponge head 2772.

The construction process of painting the ground waterproof layer of the interior decoration of the building includes the following steps:

S1, moving device: manually push the roller 16 through the handle plate 12, and move the device to the place where construction is required;

S2. Horizontal brushing treatment: the paint is filled in the storage frame 21, the paint is evenly applied to the surface of the ground brush roller 24 through the paint mechanism 26, and the ground brush roller 24 is driven to rotate by the electric rotating rod 25, so that the ground brush roller 24 is evenly coated brush the ground;

S3. Side brushing treatment: the corners of the wall are evenly brushed through the side brushing mechanism 27;

S4. Horizontal smoothing treatment: the horizontally brushed ground waterproof coating layer is subjected to secondary horizontal smoothing treatment through the horizontal smoothing mechanism 28, and the horizontal and vertical brushing process is perpendicular to each other to make the waterproof coating layer more uniform. the goal of;

S5, drying and polishing treatment: after drying and curing the waterproof coating layer by the dryer 31, the rotary plate 37 is driven to stick to the waterproof coating layer by the polishing sliding block 34, the rotary motor 36 drives the rotary plate 37 to rotate, and the polishing strip 38 will waterproof The uneven surface of the paint layer is polished and smoothed.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (6)

1. A construction technique for brushing a ground waterproof layer for building interior decoration, the construction technique for brushing a ground waterproof layer adopts the following brushing construction equipment, and the brushing construction equipment comprises a support device (1), a brushing device (2) and A polishing device (3); characterized in that: a brushing device (2) is installed on the right side of the lower end face of the support device (1), a polishing device (3) is installed on the left side of the brushing device (2), and the polishing device ( 3) Installed on the left side of the lower end face of the support device (1); The supporting device (1) comprises a top plate (11), a handle plate (12), a handle groove (13), a left baffle (14), a right baffle (15) and a roller (16). 11) A handle plate (12) is installed on the left side of the upper end surface, a handle groove (13) is arranged at the top of the handle plate (12), a left baffle plate (14) is installed on the left side of the lower end surface of the top plate (11), and the left baffle plate (14) ) A roller (16) is installed at the lower end of the left side surface through a pin shaft, a right baffle plate (15) is installed on the right side of the lower end surface of the top plate (11), and a roller (16) is installed at the lower end of the right baffle plate (15) through a pin shaft; The brushing device (2) includes a material storage frame (21), a feeding plate (22), a brush roller frame (23), a ground brush roller (24), an electric rotating rod (25), and a coating mechanism (26) , a side brushing mechanism (27), a lateral leveling mechanism (28) and a storage tank (29), a storage frame (21) is installed on the right side of the lower end face of the top plate (11), and the storage frame (21) An empty groove is arranged inside, a feeding plate (22) is installed on the lower end surface of the material storage frame (21), a brush roller frame (23) is installed on the lower end surface of the feeding plate (22), and the middle part of the brush roller frame (23) is arranged There is a storage trough (29), a through slot is arranged in the middle of the feeding plate (22), and the through slot connects the empty slot of the storage frame (21) with the storage slot (29), and the brush roller frame (23) is evenly installed on the lower end surface There is a paint mechanism (26), an electric rotating rod (25) is installed on the brush roller frame (23), a ground brush roller (24) is installed on the electric rotating rod (25), and a side paint is installed in the middle of the lower end surface of the top plate (11). a brushing mechanism (27), a lateral smoothing mechanism (28) is installed in the middle of the side brushing mechanism (27); The grinding device (3) comprises a dryer (31), an air outlet (32), a grinding limit rod (33), a grinding sliding block (34), a grinding plate (35), a rotating motor (36), a rotating Plate (37) and polishing strip (38), a dryer (31) is installed on the left side of the lower end surface of the top plate (11), an air outlet (32) is installed on the lower end surface of the dryer (31), and a left block A grinding limit rod (33) is installed on the right side of the plate (14), a grinding sliding block (34) is installed on the grinding limit rod (33) by means of sliding fit, and a grinding sliding block (34) is installed on the right end surface of the grinding block (34). The grinding plate (35) is provided with a rotating motor (36) symmetrically front and rear on the lower end surface of the grinding plate (35). With sanding strips (38); The construction process of painting the ground waterproof layer of the interior decoration of the building includes the following steps: S1. Moving device: manually push the roller (16) through the handle plate (12) to move the device to the place to be constructed; S2. Horizontal brushing treatment: the paint is filled in the storage frame (21), the paint is evenly applied to the surface of the ground brush roller (24) through the paint mechanism (26), and the ground brush roller (24) is driven by the electric rotating rod (25). ) rotates so that the ground brush roller (24) evenly brushes the ground; S3. Side brushing treatment: the corners of the wall are evenly brushed by the side brushing mechanism (27); S4. Horizontal smoothing treatment: through the horizontal smoothing mechanism (28), the ground waterproof coating layer after horizontal brushing treatment is subjected to a secondary horizontal horizontal smoothing treatment, and the horizontal and vertical brushing processes are perpendicular to each other to achieve the waterproof coating layer. more uniform purpose; S5. Drying and polishing treatment: after the waterproof coating layer is dried and cured by the dryer (31), the rotating plate (37) is driven by the polishing sliding block (34) to stick to the waterproof coating layer, and the rotating motor (36) drives the rotating plate (37) Rotate, and the sanding strip (38) smoothes the unevenness on the surface of the waterproof coating layer. 2. A construction technique for painting a waterproof layer of a building interior decoration ground according to claim 1, wherein the coating mechanism (26) comprises a sponge wrapping layer (261), a sponge painting layer (262), A fixed block (263), a movable block (264) and a brushing spring (265), a fixed block (263) is evenly installed on the lower end surface of the storage tank (29), and a sponge wrap is arranged on the periphery of the fixed block (263) Layer (261), a through hole is arranged in the middle of the fixed block (263), and a movable block (264) is installed in the through hole by means of sliding fit. The cross section of the movable block (264) has a T-shaped structure. A brushing spring (265) is installed between the blocks (263), a sponge brushing layer (262) is installed on the lower end surface of the movable block (264), and the sponge brushing layer (262) is elastically connected with the sponge wrapping layer (261). relation. 3. A construction technique for painting a ground waterproof layer for building interior decoration according to claim 1, characterized in that: the side painting mechanism (27) comprises a painting support plate (271), a chain (272), The side drive motor (273), the side brushing roller (274), the side fixing block (275), the paint through groove (276) and the side brushing branch chain (277), the top plate (11) is symmetrical in the middle of the lower end surface A brushing support plate (271) is installed, a side brushing roller (274) is evenly installed on the lower end surface of the brushing support plate (271) through bearings, and the upper side of the side brushing roller (274) is connected by a chain (272), the chain (272) A side drive motor (273) is installed on the left side, a side fixing block (275) is installed between the brushing support plates (271), a square groove is arranged in the middle of the side fixing block (275), and paint is arranged in the front and rear of the square groove The through groove (276) is provided with a side brushing branch chain (277) evenly installed on the outside of the paint through groove (276). 4. A construction technique for painting a waterproof layer of a building interior decoration ground according to claim 3, characterized in that: the horizontal smoothing mechanism (28) comprises a smoothing sliding rod (281), a smoothing electric sliding block (282), connecting rod (283), leveling roller (284), lower baffle plate (285), buffer plate (286) and buffer spring (287), the lower end surface of the side fixing block (275) is installed with The smoothing sliding rod (281) is provided with a lower baffle plate (285) on the lower end surface of the smoothing sliding rod (281). 281) A buffer plate (286) is installed on the top of the buffer plate (286) by sliding fit, a buffer spring (287) is installed on the buffer plate (286) to connect with the side fixing block (275), and a smoothing electric motor is installed on the lower side of the buffer plate (286). The sliding block (282), the electric smoothing sliding block (282) is installed on the smoothing sliding rod (281) by means of sliding fit, and connecting rods (283) are installed on the front and rear sides of the electric smoothing sliding block (282) through pins. ), a leveling roller (284) is installed on the lower end of the connecting rod (283) through a pin shaft. 5. A construction technique for painting a waterproof layer of a building interior decoration ground according to claim 3, wherein the side painting branch chain (277) comprises a plug (2771), a sponge head (2772), Brush bristles (2773) and paint passages (2774), insert blocks (2771) are evenly installed on the outer side of the paint through grooves (276) by means of plug-fit, and a paint passage (2774) is arranged in the middle of the insert blocks (2771). ), a sponge head (2772) is arranged on the outer side of the insert block (2771), and bristles (2773) are evenly arranged on the sponge head (2772). 6 . The construction technique for applying a waterproof layer on the ground of building interior decoration according to claim 3 , wherein a brush cloth layer is provided on the surface of the side brush roller ( 274 ) and the ground brush roller ( 24 ). 7 .

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